Zombie Cells 101: What They Are, and How They Speed Up Aging

woman looking into microscope

AT A GLANCE

  • Aging isn’t just about wrinkles, but cell behavior. Senescent or “zombie” cells are damaged cells that refuse to die and release toxic signals that harm their neighbors.
  • Everyday lifestyle habits already help, from regular exercise and sleep to polyphenol-rich foods and intermittent fasting.
  • Regenerative therapies like secretome may offer a new way to restore balance by targeting aging with signals from your body’s healthiest cells.

For decades, the conversation around aging has focused on what we can see on the surface: fine lines, sagging skin, and thinning hair, to name a few. But more and more, the real culprits are being traced back to what’s happening deep inside our tissues. Among the most intriguing (and troubling) discoveries is a class of damaged cells that refuse to die… yet continue to wreak havoc.

They’re called senescent cells—or, perhaps more fittingly, “zombie cells.” And they leave traces of their chaos everywhere: in slower healing, in visible signs of skin aging, and in chronic disease. The good news is that understanding these zombie cells is giving scientists a clearer picture of how and why we age. (And, most importantly, how we might intervene.)

What Exactly Are Zombie Cells?

Scientists use the term cellular senescence to describe cells that stop dividing after repeated stress or damage. And the thing is, they’re just trying to help: senescence prevents potentially cancerous cells from replicating.

The problem is that instead of clearing out, many senescent cells linger. They don’t contribute to tissue repair, yet they don’t fully shut down. Researchers call them “zombie cells” because they remain metabolically active, releasing inflammatory molecules that damage their healthy neighbors. Over time, this slow leak of dysfunction accelerates the hallmarks of aging.

Why They Matter for Longevity and Aesthetics

Zombie cells accumulate in every major organ system, contributing to diseases of aging like cardiovascular decline, diabetes, arthritis, and even neurodegeneration.

They’re also increasingly relevant in aesthetics:

It’s all a reminder that beauty isn’t skin deep, but cell deep. That’s why aesthetics are starting to merge with longevity science, as treatments are less about smoothing the surface and more about addressing the root causes of visible aging.

Clearing the Cellular Clutter

So, how do we stop zombie cells in their tracks—or better yet, prevent them from rising altogether?

A new class of experimental drugs called senolytics is designed to seek out and destroy senescent cells… while leaving healthy ones alone. In animal studies, senolytics extended healthspan, improved tissue function, and even restored physical performance. Human trials are underway, providing a hopeful window into a zombie-less future.3

But while senolytic therapies develop, lifestyle factors can reduce the buildup of senescent cells and their harmful effects:

And in the aesthetics space, regenerative procedures like Acorn YOU secretome are being explored as promising ways to counteract the damage zombie cells leave behind—by leveraging our healthiest cells to promote healing at the source.

The Future of Anti-Zombie Science

For decades, anti-aging meant disguising decline. But targeting senescent cells represents a new frontier that goes beyond just addressing aging at the surface.

Imagine clinics shifting from reactive treatments to proactive, cellular care. That’s the direction Acorn sees unfolding: Aesthetics evolving into a longevity-driven, biology-first field.

In the meantime, consider this your reminder that consistent daily habits like sleep, stress management, and eating well can help keep cellular clutter in check.

FAQs

Q: What exactly are “zombie cells”?
A: They’re senescent cells: damaged or stressed cells that have stopped dividing but refuse to die. Instead, they release inflammatory molecules that disrupt nearby healthy cells.

Q: How do zombie cells contribute to visible aging?
A: In skin, they suppress collagen and slow healing, leading to thinning and wrinkles. In hair follicles, they weaken regeneration, causing thinning and graying.

Q: Can we get rid of them?
A: Scientists are developing senolytic therapies: experimental drugs that selectively destroy senescent cells. While these are still in early human trials, early data from animals show promising results for tissue repair and longevity.

Q: What’s next for anti-zombie science?
A: The future of aesthetics is moving from masking aging to managing it at the cellular level. This combines senolytic breakthroughs, regenerative therapies, and longevity-driven skincare.

REFERENCES:

  1. Franco, A. C., Aveleira, C., & Cavadas, C. (2022). Skin senescence: mechanisms and impact on whole-body aging. Trends in molecular medicine, 28(2), 97–109. https://doi.org/10.1016/j.molmed.2021.12.003
  2. Deng, Y., Wang, M., He, Y., Liu, F., Chen, L., & Xiong, X. (2023). Cellular Senescence: Ageing and Androgenetic Alopecia. Dermatology (Basel, Switzerland), 239(4), 533–541. https://doi.org/10.1159/000530681
  3. Rad, A. N., & Grillari, J. (2024). Current senolytics: Mode of action, efficacy and limitations, and their future. Mechanisms of ageing and development, 217, 111888. https://doi.org/10.1016/j.mad.2023.111888
  4. Zhang, X., Englund, D. A., Aversa, Z., Jachim, S. K., White, T. A., & LeBrasseur, N. K. (2022). Exercise Counters the Age-Related Accumulation of Senescent Cells. Exercise and sport sciences reviews, 50(4), 213–221. https://doi.org/10.1249/JES.0000000000000302
  5. Centonze, M., Aloisio Caruso, E., De Nunzio, V., Cofano, M., Saponara, I., Pinto, G., & Notarnicola, M. (2025). The Antiaging Potential of Dietary Plant-Based Polyphenols: A Review on Their Role in Cellular Senescence Modulation. Nutrients, 17(10), 1716. https://doi.org/10.3390/nu17101716
  6. Centonze, M., Aloisio Caruso, E., De Nunzio, V., Cofano, M., Saponara, I., Pinto, G., & Notarnicola, M. (2025). The Antiaging Potential of Dietary Plant-Based Polyphenols: A Review on Their Role in Cellular Senescence Modulation. Nutrients, 17(10), 1716. https://doi.org/10.3390/nu17101716
  7. Martel, J., Ojcius, D. M., & Young, J. D. (2024). Lifestyle interventions to delay senescence. Biomedical journal, 47(2), 100676. https://doi.org/10.1016/j.bj.2023.100676

This article has been medically reviewed by:
Nazish Ahmed, PhD | Senior Director, Lab Operations

Dr. Nazish Ahmed is a regenerative medicine scientist with more than 20 years of expertise in stem cell biology, cryogenics, and biomanufacturing. She holds a PhD in Pharmaceutical Engineering focused on stem cell–based cartilage regeneration and has authored numerous peer-reviewed publications.

Scientists Agree: Do This in Your 30s To Feel Better in Your 70s

AT A GLANCE:

  • Aging starts earlier than most of us realize. Our 30s mark the beginning of subtle biological shifts in muscle, metabolism, skin, and stem cell function.
  • Biological age matters more than chronological age. Two people born the same year can have completely different cellular timelines depending on lifestyle, environment, and genetics.
  • Your 30s are a regenerative “sweet spot.” What you do now—like how you eat, move, sleep, and recover—sets your biological trajectory for decades to come.

The idea of “aging” probably conjures up visions of fine lines, silver hair, and creaky joints. But longevity scientists approach things a bit differently… and much earlier than you might expect. Under the hood, the aging process really starts in our 30s, and sometimes even sooner.

It’s the decade when muscle mass starts to naturally plateau and your body’s most important repair toolkit—your stem cells—start to lose a bit of their youthful edge. Left alone, those changes add up. But not to fear: Heed this not as a warning, but as an opportunity. Scientists agree that with the right interventions now, you can meaningfully alter your trajectory.

And thanks to advances in regenerative medicine, there’s more on the table than diet and exercise. Companies like Acorn are making it possible (and easier than ever) to preserve your own stem cells—granting you access to your body’s innate regenerative power for years to come. 

So let’s do your future self a solid, shall we? Let’s dive into some of the best ways to optimize for longevity in your 30s, according to the latest research.

First Things First: Age Is Just a Number

The number of birthdays we’ve had only tells part of the story. Unlike our chronological age, our biological age adds crucial context to how young our body actually acts—and it’s shaped by genetics, lifestyle, and environmental factors.

Two people who are 45 might be living in entirely different timelines. Person A smokes, lives in a city, and works at a desk job for most hours of the day. Person B eats well, exercises regularly, but is also managing a genetic chronic illness. They’re technically the same age, but their “longevity fingerprints” look nothing alike. 

Research suggests that our genes only account for 15 to 30 percent of how we age.1 That leaves lifestyle factors like diet, movement, stress, and sleep with an outsized role.

That’s why scientists emphasize early intervention. Every habit you bank today is an investment in your future self.

Why Your 30s Matter

Your 30s often feel like a “sweet spot.” You’re young enough to still feel resilient, but old enough to notice subtle shifts. That’s not your imagination: Scientists confirm that this is the decade when small but meaningful changes in how our bodies repair themselves start to show up.

  • We might notice changes in our hair. Studies show that hair density tends to peak in our late 20s, before steadily starting to decline.2
  • Muscle mass starts to decline. After age 30, we can lose up to 5% of our muscle mass per decade. (This process is called sarcopenia.)3
  • Stem cells lose some potency. These are your body’s built-in repair team—the cells that help heal injuries and regenerate tissue. After reaching our cellular peak in our mid-20s, our renewal ability steadily deteriorates, with a more precipitous fall around age 60. (As our scientists like to say: The best time to bank your cells was in your mid-20s. The second best time is today.)

Individually, these shifts may not feel dramatic. But stacked over decades, they shape how you’ll feel in your 60s, 70s, and beyond.

The good news? Scientists also agree that this is a prime window of opportunity. The choices you make now—how you move, eat, sleep, and even how you preserve your cells—can meaningfully slow the pace of aging and set you up for a healthier, more energetic future.

How Scientists Stay Younger, Longer

These are the research-backed deposits to make in your longevity bank.

1. Build and Protect Muscle Mass

Muscle is one of the best predictors of longevity. It regulates metabolism, glucose uptake, and resilience. Sarcopenia—the gradual loss of muscle—begins as early as your 30s.

2. Guard Your Metabolic Health

For years, it was assumed our metabolism “slows” in our 30s. Newer research tells a different story: a landmark 2021 Science study found that daily energy expenditure actually stays stable from our 20s through our 50s, only declining after 60.8

So why do so many people notice changes in this decade? The answer lies not in calorie burn, but in how our bodies handle energy. Insulin sensitivity begins to decline, visceral fat creeps up more easily, and low-grade inflammation (sometimes called “inflammaging”) starts to take hold.

3. Support Skin Health from the Inside Out

Your skin is your largest organ… and one of the clearest mirrors of biological aging. In your 30s, fine lines may start to appear, collagen production begins to slow, and cell turnover gets less efficient.

4. Master Stress and Sleep

For longevity, sleep and stress management are two of our most underestimated levers.

5. Build Social and Cognitive Resilience

Did you know that building community is a great way to keep our cells young?

6. Preserve Your Stem Cells

These lifestyle tweaks are critical to slowing aging—but emerging technology allows us to freeze our cells in time, and leverage them later on.

  • Stem cell harvesting methods like umbilical cord blood banking have been around since 1996, with the caveat that it’s inherently a once-in-a-lifetime opportunity.19
  • New developments like Acorn YOU are making stem cell banking more accessible than ever, allowing us to preserve our body’s most regenerative cells well into adulthood. It’s like having our very own biological time capsule—something that can be later used to help restore youthful skin, stimulate hair growth, and more.

Decade by Decade: Building Your Longevity Blueprint

The habits you prioritize shift as you move through life, but every decade offers a chance to future-proof your biology. Here’s how scientists suggest thinking about it:

  • In your 30s, build your foundation. Focus on cultivating habits that keep your cells happy: strength training, a healthy diet, quality sleep, and stress management. Now is also a good time to consider banking your stem cells.
  • In your 40s, double down on prevention. Regular screenings become more important, cardiovascular fitness starts to matter more, and many people begin to notice visible changes in their skin.
  • In your 50s, guard against inflammation. Nutrition, recovery, and mobility become key levers, alongside cognitive stimulation to keep the brain sharp.
  • In your 60s and beyond, prioritize preservation. Continue practicing strength and flexibility to keep your bones, muscles, and joints limber. And don’t underestimate leaning on your community—social engagement keeps us young, remember?

The bottom line? Scientists agree: What you do in your 30s shapes how you’ll feel in your 70s. Muscle, metabolism, fitness, stress, and connection all leave lasting biological fingerprints.

Thankfully, the research supporting these habits is also converging with cutting-edge science, making cellular regeneration more accessible than ever before—a perfect storm to keep our cells younger for longer.

FAQs

Q: Why do scientists say aging starts in your 30s?
A: Because that’s when subtle but measurable declines begin in muscle mass, stem cell activity, and collagen production. These changes are gradual but compound over time.

Q: What’s the difference between biological and chronological age?
A: Chronological age is how many birthdays you’ve had; biological age measures how well your body’s systems are functioning. Lifestyle and environment can make your biological age present younger—or older—than your calendar years.

Q: Can I really slow aging through lifestyle habits?
A: Absolutely. Research shows that habits like exercise, sleep, social connection, and nutrient-rich diets can slow biological aging markers by years.

Q: Why should I preserve my stem cells now?
A: Your stem cells are at their biological best in your 20s and 30s. Banking them now with Acorn means you’re freezing your most regenerative version of yourself… and making it available for future treatments as regenerative medicine evolves.

REFERENCES:

  1. Passarino, G., De Rango, F., & Montesanto, A. (2016). Human longevity: Genetics or Lifestyle? It takes two to tango. Immunity & ageing : I & A, 13, 12. https://doi.org/10.1186/s12979-016-0066-z
  2. Robbins, C., Mirmirani, P., Messenger, A. G., Birch, M. P., Youngquist, R. S., Tamura, M., Filloon, T., Luo, F., & Dawson, T. L., Jr (2012). What women want – quantifying the perception of hair amount: an analysis of hair diameter and density changes with age in caucasian women. The British journal of dermatology, 167(2), 324–332. https://doi.org/10.1111/j.1365-2133.2012.11010.x 
  3. Keller, K., & Engelhardt, M. (2014). Strength and muscle mass loss with aging process. Age and strength loss. Muscles, ligaments and tendons journal, 3(4), 346–350.
  4. Bohannon R. W. (2019). Grip Strength: An Indispensable Biomarker For Older Adults. Clinical interventions in aging, 14, 1681–1691. https://doi.org/10.2147/CIA.S194543
  5. Momma, H., Kawakami, R., Honda, T., & Sawada, S. S. (2022). Muscle-strengthening activities are associated with lower risk and mortality in major non-communicable diseases: a systematic review and meta-analysis of cohort studies. British journal of sports medicine, 56(13), 755–763. https://doi.org/10.1136/bjsports-2021-105061
  6. Benz, E., Pinel, A., Guillet, C., Capel, F., Pereira, B., De Antonio, M., Pouget, M., Cruz-Jentoft, A. J., Eglseer, D., Topinkova, E., Barazzoni, R., Rivadeneira, F., Ikram, M. A., Steur, M., Voortman, T., Schoufour, J. D., Weijs, P. J. M., & Boirie, Y. (2024). Sarcopenia and Sarcopenic Obesity and Mortality Among Older People. JAMA network open, 7(3), e243604. https://doi.org/10.1001/jamanetworkopen.2024.3604
  7. Liu, C., Wu, X., Vulugundam, G., Gokulnath, P., Li, G., & Xiao, J. (2023). Exercise Promotes Tissue Regeneration: Mechanisms Involved and Therapeutic Scope. Sports medicine – open, 9(1), 27. https://doi.org/10.1186/s40798-023-00573-9
  8. Pontzer, H., Yamada, Y., Sagayama, H., Ainslie, P. N., Andersen, L. F., Anderson, L. J., Arab, L., Baddou, I., Bedu-Addo, K., Blaak, E. E., Blanc, S., Bonomi, A. G., Bouten, C. V. C., Bovet, P., Buchowski, M. S., Butte, N. F., Camps, S. G., Close, G. L., Cooper, J. A., Cooper, R., … IAEA DLW Database Consortium (2021). Daily energy expenditure through the human life course. Science (New York, N.Y.), 373(6556), 808–812. https://doi.org/10.1126/science.abe5017
  9. Zhang, X., Tong, T., Chang, A., Ang, T. F. A., Tao, Q., Auerbach, S., Devine, S., Qiu, W. Q., Mez, J., Massaro, J., Lunetta, K. L., Au, R., & Farrer, L. A. (2023). Midlife lipid and glucose levels are associated with Alzheimer’s disease. Alzheimer’s & dementia : the journal of the Alzheimer’s Association, 19(1), 181–193. https://doi.org/10.1002/alz.12641
  10. Johnson, M. L., Distelmaier, K., Lanza, I. R., Irving, B. A., Robinson, M. M., Konopka, A. R., Shulman, G. I., & Nair, K. S. (2016). Mechanism by Which Caloric Restriction Improves Insulin Sensitivity in Sedentary Obese Adults. Diabetes, 65(1), 74–84. https://doi.org/10.2337/db15-0675
  11. Mendez, M. A., & Newman, A. B. (2018). Can a Mediterranean Diet Pattern Slow Aging?. The journals of gerontology. Series A, Biological sciences and medical sciences, 73(3), 315–317. https://doi.org/10.1093/gerona/gly003
  12. Reilly DM, Lozano J. Skin collagen through the lifestages: importance for skin health and beauty. Plast Aesthet Res. 2021;8:2. http://dx.doi.org/10.20517/2347-9264.2020.153
  13. Eckhart, L., Tschachler, E., & Gruber, F. (2019). Autophagic Control of Skin Aging. Frontiers in cell and developmental biology, 7, 143. https://doi.org/10.3389/fcell.2019.00143
  14. Milosheska, D., & Roškar, R. (2022). Use of Retinoids in Topical Antiaging Treatments: A Focused Review of Clinical Evidence for Conventional and Nanoformulations. Advances in therapy, 39(12), 5351–5375. https://doi.org/10.1007/s12325-022-02319-7
  15. Epel, E. S., Blackburn, E. H., Lin, J., Dhabhar, F. S., Adler, N. E., Morrow, J. D., & Cawthon, R. M. (2004). Accelerated telomere shortening in response to life stress. Proceedings of the National Academy of Sciences of the United States of America, 101(49), 17312–17315. https://doi.org/10.1073/pnas.0407162101
  16. Winer, J. R., Mander, B. A., Helfrich, R. F., Maass, A., Harrison, T. M., Baker, S. L., Knight, R. T., Jagust, W. J., & Walker, M. P. (2019). Sleep as a Potential Biomarker of Tau and β-Amyloid Burden in the Human Brain. The Journal of neuroscience : the official journal of the Society for Neuroscience, 39(32), 6315–6324. https://doi.org/10.1523/JNEUROSCI.0503-19.2019
  17. Carroll, J. E., & Prather, A. A. (2021). Sleep and Biological Aging: A Short Review. Current opinion in endocrine and metabolic research, 18, 159–164. https://doi.org/10.1016/j.coemr.2021.03.021
  18. Harvard study of Adult Development: Human Connection is key to health and well-being | integrative and complementary therapies. (n.d.). https://www.liebertpub.com/doi/10.1089/ict.2023.29074.jha
  19. Devi, S., Bongale, A. M., Tefera, M. A., Dixit, P., & Bhanap, P. (2023). Fresh Umbilical Cord Blood-A Source of Multipotent Stem Cells, Collection, Banking, Cryopreservation, and Ethical Concerns. Life (Basel, Switzerland), 13(9), 1794. https://doi.org/10.3390/life13091794

This article has been medically reviewed by:

Nazish Ahmed, PhD | Senior Director, Lab Operations

Dr. Nazish Ahmed is a regenerative medicine scientist with more than 20 years of expertise in stem cell biology, cryogenics, and biomanufacturing. She holds a PhD in Pharmaceutical Engineering focused on stem cell–based cartilage regeneration and has authored numerous peer-reviewed publications.

What Is Secretome—and Why It’s Revolutionizing Regenerative Skincare

KEY TAKEAWAYS:

  • Secretome is your body’s own regenerative formula: a natural blend of proteins, peptides, and growth factors that power cell-to-cell repair and renewal.
  • It’s the evolution of PRP and exosome therapy, offering a more complete, potent approach to restoring youthful skin function.
  • Clinical results show 84% of patients saw skin improvement by day 30*.

Retinoids, Botox, Ultherapy… each passing year brings a new contender promising healthier, more resilient skin. But now, longevity scientists and aesthetics experts alike have locked in on a particularly exciting ingredient: you.

Regenerative therapies like PRP (platelet-rich plasma) facials have shown what’s possible when we harness the body’s own biology. Yet researchers are zeroing in on the real driver of those effects: secretome, a natural cocktail of signaling molecules your cells already produce.  Far from a passing trend, secretome represents a shift toward therapies that target the root causes of aging rather than the surface signs.

So how does secretome actually work? And what gives it the edge over other buzzy treatments? Let’s dig in.

What Is Secretome? Your Skin’s Built-In Repair System, Explained

Every cell in your body communicates constantly with its neighbors. To do so, cells release a wide range of bioactive molecules—proteins, peptides, lipids, growth factors, enzymes, hormones and extracellular vesicles such as exosomes. Collectively, this collection of signals is known as secretome.

Think of secretome as your body’s internal comms system. When tissue is injured, it directs repair. When inflammation needs to be resolved, it coordinates the immune response. In short: secretome is the language cells use to maintain balance and regeneration.

As we age, our cells become less efficient at sending and receiving these signals. That slowdown contributes to the visible hallmarks of aging: fine lines, loss of elasticity, and slower healing. But by delivering concentrated doses of secretome, regenerative aesthetics is now finding ways to restore that youthful communication network.

Secretome vs. PRP vs. Exosomes: How Do They Compare?

“How do we encourage the skin to behave more like it did when it was young?” That’s the central question driving aesthetics and skincare. 

Topicals like retinoids and antioxidants stimulate repair from the outside in. They’re valuable, but limited by the skin barrier—not to mention the commitment (and expense) of diligently applying your creams and serums every day.

PRP goes deeper, using a patient’s own plasma to deliver growth factors that awaken fibroblasts, the cells that produce collagen and elastin. While effective, PRP requires blood collection and reinjection—it’s not nicknamed the “vampire facial” for nothing. Plus, results can vary based on health and age.

Exosome therapy has refined the approach further by isolating exosomes: the nano-sized vesicles inside secretome that carry regenerative instructions between cells. By isolating and concentrating these messengers, practitioners can achieve improved physiological effects without the requirement of cell transplants or PRP injection—including more targeted approaches to challenges like hair regrowth.

Secretome therapy is the next frontier. While exosomes are powerful, they’re just one part of the puzzle; just one component of secretome. In fact, secretome boasts a whole roster of MVPs that work together:

All Stem Cells Aren’t Created Equal

Many secretome products and treatments source from donors—and that’s where Acorn does things a little differently. Acorn YOUTM is the first regenerative secretome product made from your own stem cells, innovatively banked from hair follicles with no painful injections required.

By bypassing potential issues like incompatibility and immune rejection, it essentially helps your skin do what it does best, naturally.

Who Is a Good Candidate for Secretome Treatment?

In short: Anyone who is looking to unlock their skin’s natural radiance.

Clinical results show that Acorn’s process preserves up to 85% of key regenerative proteins from both younger and older donors, with 84% of patients showing skin improvement by Day 30.*

And the impact goes beyond skin: Acorn YOUTM has demonstrated visible improvements in hair quality and density within 90 days.*

How Secretome Works: Step by Step

So, what does the treatment process actually look like? Let’s break it down.

  1. Banking: First, you’ll need to find a clinic that offers a secretome-based treatment. During an initial appointment, you’ll consult with your practitioner about your goals, and potentially harvest your stem cells. (If you’re opting for an Acorn YOUTM treatment, you’ll start by banking your hair follicles—a minimally invasive procedure that takes less than an hour.) 
  2. Processing: Your stem cells are sent to a lab, and processed into a personalized solution over a matter of weeks.
  3. Application: Your serum is paired with microneedling or laser treatments to amplify their impact, maximize penetration, and accelerate healing.

How Secretome Works at the Cellular Level

Secretome therapies reprogram skin at the cellular level:

  1. Collagen + Elastin Production: Exosomes activate fibroblasts, restoring the machinery that keeps skin firm and resilient—a direct counter to age-related collagen loss.5
  2. Anti-Inflammatory Effects: Many chronic skin concerns like acne, rosacea, and pigmentation are fueled by inflammation. Secretome signals help quiet overactive immune responses, reducing one of the hidden accelerators of aging.6
  3. Accelerated Healing: When applied after procedures such as microneedling or laser, exosome formulations reduce downtime and speed tissue repair. Again, this makes them especially appealing for patients seeking aggressive rejuvenation without extended recovery.3
  4. Cellular Rejuvenation: Believe it or not, exosomes can reprogram older or stressed cells to behave more like younger ones, addressing aging at its root rather than treating symptoms.7

The Future of Regenerative Aesthetics

Aging is inevitable. But how we age—and how visibly those changes appear in the skin—is increasingly within our influence. Secretome offers a way to work with the body’s own biology, restoring the signals that decline with time.

Whether through aesthetic treatments, hair restoration, or advanced formulations still in development, secretome is poised to redefine how we approach aging skin.

We’ve spent decades chasing down trends and buzzy ingredients. But it turns out the secret was within us the entire time.

FAQ

Q: What exactly is secretome made of?
A: Secretome is a mix of signaling molecules naturally released by stem cells, including proteins, peptides, exosomes, and growth factors. Together, they guide your body’s repair and regeneration processes.

Q: How is secretome different from PRP or exosome therapy?
A: PRP uses blood-derived growth factors; exosome therapy isolates one component of the regenerative process. Secretome includes all of these signals, making it more complete and potent.

Q: Is secretome treatment safe?
A: Yes. When created from your own cells (as with Acorn YOU), the treatment is fully biocompatible, minimizing risk of immune response or rejection.

Q: How soon will I see results?
A: Clinical studies show visible improvement in skin texture, tone, and elasticity within 30 days, with continued benefits over time.

Q: Can secretome treatments help with hair as well as skin?
A: Absolutely. Secretome’s regenerative signals also support follicle health, density, and growth.

Q: Where can I get a secretome-based treatment?
A: Acorn partners with leading clinics across North America.

References:

  1. Tienda-Vázquez, Mario Adrián et al. “Exosomes: A Promising Strategy for Repair, Regeneration and Treatment of Skin Disorders.” Cells vol. 12,12 1625. 14 Jun. 2023, doi:10.3390/cells12121625
  2. He, Xin et al. “Research Progress on Bioactive Factors against Skin Aging.” International journal of molecular sciences vol. 25,7 3797. 28 Mar. 2024, doi:10.3390/ijms25073797
  3. Wong RSY, Tan T, Pang ASR, Srinivasan DK. The role of cytokines in wound healing: from mechanistic insights to therapeutic applications. Explor Immunol. 2025;5:1003183. https://doi.org/10.37349/ei.2025.1003183
  4. Pintea, Andrada et al. “Peptides: Emerging Candidates for the Prevention and Treatment of Skin Senescence: A Review.” Biomolecules vol. 15,1 88. 9 Jan. 2025, doi:10.3390/biom15010088
  5. Liang, Chen et al. “Unveiling exosomes in combating skin aging: insights into resources, mechanisms and challenges.” Stem cell research & therapy vol. 16,1 474. 29 Aug. 2025, doi:10.1186/s13287-025-04620-y
  6. Zare, S., Jafarzadeh, A., Zare, S. et al. Exploring the dermatological applications of human mesenchymal stem cell secretome: a comprehensive review. Stem Cell Res Ther 16, 177 (2025). https://doi.org/10.1186/s13287-025-04311-8
  7. Chen, X., Luo, Y., Zhu, Q. et al. Small extracellular vesicles from young plasma reverse age-related functional declines by improving mitochondrial energy metabolism. Nat Aging 4, 814–838 (2024). https://doi.org/10.1038/s43587-024-00612-4

This article has been medically reviewed by:

Amatullah Fatehi | MSc, Director of Product Development and Innovation

Amatullah Fatehi is a regenerative medicine scientist with expertise in cell physiology and stem cell biology. She led the development of Acorn’s hair-follicle-derived secretome product and oversees key research and product innovation initiatives.

13 Questions To Bring to Your Next Aesthetics Appointment

AT A GLANCE:

  • Regenerative treatments like PRP, exosomes, and secretome are redefining what “anti-aging” means.
  • Arrive with clear goals, budget, and expectations to help your provider tailor recommendations.
  • Understand your options: Botox and fillers address expression lines and volume; regenerative therapies activate your body’s own repair systems for longer-term change.
  • Ask the right science and safety questions: where materials come from, how they’re regulated, who performs the treatment, and what recovery looks like.

The aesthetics world is moving fast. Botox and fillers are no longer the whole story: Today, regenerative therapies like PRP and exosome facials promise to tap into your body’s own biology for longer-lasting results.

It’s exciting, but it can also be confusing. What’s the research behind this? What does downtime look like? How are my stem cells harvested? Is this really better than Botox? These are smart questions—and they’re exactly what you should bring into your treatment room.

After all, when it comes to your face and your wallet, going in with eyes wide open is a non-negotiable. And while the right practitioner will put your mind at ease and walk you through your options, it helps to understand what to ask.

We’re here to help. Below, you’ll find a list of questions to ask your dermatologist or aesthetics provider, from initial consultation to aftercare—especially if you’re still wavering between Botox, PRP or next-generation treatments like Acorn YOUTM secretome.

Before your initial consultation…

You don’t need to decide on a treatment protocol before booking your consult—in fact, that initial appointment is the best time to walk through different options with your provider. But doing some homework beforehand can help you arrive with clarity about your goals, budget, and more.

A few questions to get you started:

“What are my specific goals?”

Are you navigating a specific concern, like hair loss or hyperpigmentation? Are you looking for more generalized improvements, like firmer, younger skin? Ranking your top priorities will make it easier for your provider to tailor their recommendations.

“What is my budget?”

Keep maintenance in mind. Treatments like Botox might seem more cost-effective in the moment, but require continued investment to maintain results. Others, like regenerative therapies, might cost more upfront, but are designed to generate longer-lasting improvements. Deciding what you’re comfortable investing over time helps frame that conversation.

“How much downtime can I realistically manage?”

Recovery varies from treatment to treatment. Some have virtually no downtime, while others can leave you red, bruised, or in need of a quiet few days. If you’re planning around work or a big social event, this is something to keep in mind.

“Based on my answers to these questions, what treatments might be on my shortlist?”

When you arrive at your appointment, you might discuss the following treatment categories with your practitioner:

  • Wrinkle relaxers (like Botox): Quick fixes for dynamic lines, but results are temporary and require frequent upkeep.
  • Dermal fillers: Add volume or encourage collagen growth using molecules like hyaluronic acid. Fillers require some upkeep, and can subtly shift over time.
  • Skin resurfacing and tightening (peels, lasers, microneedling, ultrasound treatments like Ultherapy): Improve tone and laxity, often with some downtime. Results vary by device and depth, and some downtime is common.
  • Regenerative therapies (PRP, exosomes, secretome): The next generation of treatments, designed to activate your body’s own repair systems for healthier, more resilient skin (or hair growth) over time. These treatments are often paired with skin resurfacing treatments like microneedling or laser to amplify their effects, optimize penetration, and speed recovery time. Acorn YOUTM secretome is a great example of this innovative science: banking a product of your own stem cells to help your body do what it does best.

Think of Botox, fillers, and devices as the “traditional toolkit.” Regenerative therapies are the next frontier, and worth extra attention in your consultation.

During your first appointment

Here, your homework becomes a conversation. Your provider will ask you about your specific skincare goals, areas of concern, and guide you through their own analysis of your needs—along with the treatment protocol they recommend.

But this is also your opportunity to dive deeper into things like science and safety to ensure you’re comfortable moving forward (and know exactly what to expect). 

“How do these treatments work differently? What do you recommend specifically for my body, and why?”

Our faces are incredibly unique, and treatments that might be a good fit for some might not be the best course of option for others—due to skin type, anatomy, and other factors. 

It’s why regenerative treatments like Acorn YOUTM secretome are particularly compelling. Instead of leveraging a chemical or formula that’s one-size-fits-all, they rely on your body’s unique coding to regenerate your skin at the cellular level.

“Where does the material come from?”

If regenerative therapies are on the table, ask where they’re sourcing the materials from (and how they source it).

  • PRP treatments involve extracting the patient’s blood, isolating the platelets into a concentrated serum, and injecting it into the targeted area.
  • Many exosome facials or hair loss treatments often rely on donor or lab-grown stem cells. 
  • Acorn YOUTM is the first regenerative solution that actually uses the patient’s own stem cells, extracting them from hair follicles. It’s a secretome product, which means that it includes other beneficial molecules in addition to exosomes.

“How is it regulated? What’s the research?”

Not all available aesthetic products are regulated or approved in the same way. Established treatments like Botox and many fillers have a long history of FDA approval, while some treatments like PRP might be considered more cutting-edge for aesthetic applications. Ask your provider for the regulatory status and clinical studies behind the treatments you’re discussing together.

“How safe is it?”

Don’t be afraid to ask about both common side effects (like bruising, redness, or peeling) and rare complications. Your provider should also understand your health history before you engage in any kind of new treatment. And they should be transparent: For example, PRP often causes mild swelling, while secretome may allow for a gentler recovery.

“Who will actually perform the treatment?”

Skill and experience matter. Confirm the credentials of the injector or practitioner, how often they perform this treatment, and what protocols they follow for managing complications.

“What is the appointment timeline?”

Depending on the protocol you decide on in your consult, your practitioner may conduct the treatment during that same appointment. Others will require follow-ups or even multiple appointments.

For example, if you opt for a secretome treatment, you’ll first schedule a time to bank your stem cells for your Acorn YOUTM treatment. Your hair follicles are collected and sent to a lab, where your cells are carefully preserved and an acellular product containing peptides, antioxidant enzymes, exosomes and cytokines is produced—which is then incorporated with hyaluronic acid. Once your product is ready, you’ll return to your practitioner’s office and pair it with a laser or microneedling treatment.

During and after your treatment

Knowing what to expect in the days and weeks after your appointment will help you protect your results… and avoid any surprises.

“What should I expect immediately after? What’s the aftercare?”

Your provider should give you the heads up on any potential redness, bruising, or peeling—and specific tips on how to manage those side effects. You might be told to avoid things like intense exercise, hot showers, makeup, or skincare with fragrance in the hours and days after your treatment.

The beauty of regenerative treatments is that because they’re focused on harnessing your body’s natural healing protocol, they tend to speed up recovery—which is why many patients opt to pair them with treatments like lasers and microneedling.

“How soon will I see results?”

Timelines vary. Botox kicks in at about five to seven days. Filler provides immediate volume, but can also induce swelling. Regenerative treatments might take a bit longer, since they’re focused on stimulating your skin’s repair systems. Secretome treatments, for example, encourage fibroblasts to rebuild collagen and elastin, which unfolds over several weeks.

That said, patients and practitioners who tried Acorn YOUTM secretome saw visible improvement as soon as seven days after treatment, and 84% showed clear aesthetic improvement by Day 30.

“How long will they last? What is my maintenance protocol?”

It’s important to ask your practitioner how to optimize the lifespan of your results—both through best practices and daily habits, and in your follow-up protocol. If results can improve further with repeated treatments, that’s important info to know.

The bottom line: Even as aesthetics evolve at a breakneck pace, your strategy as a patient is steadfast: Do your research, choose a provider you feel comfortable with, and ask the right questions.

FAQ

Q: How do I know which treatment is right for me?
A: Start with your goals. (Wrinkle reduction, collagen building, or overall rejuvenation?) Your provider can map your priorities to the right option or combination.

Q: Is secretome therapy the same as PRP or exosomes?
A: They’re related but not identical. PRP uses plasma from your blood; exosome facials isolate one set of regenerative messengers. Secretome therapy includes all those signals—growth factors, peptides, and exosomes—for a more complete regenerative effect.

Q: Is it really better than Botox or fillers?
A: They work differently. Botox and fillers smooth or volumize from the outside in; regenerative therapies rebuild the skin’s underlying structure for natural, longer-lasting improvements.

Q: What’s involved in stem-cell harvesting for Acorn YOU™?
A: It’s a quick, minimally invasive procedure that collects hair follicles from the scalp. These are processed to create a personalized product. (No blood draw or painful injections required.)

Q: How long before I see results from secretome therapy?
A: Visible improvement can begin within one to two weeks, with most patients seeing significant results by Day 30

Q: How should I prepare for my consultation?
A: Know your top priorities, budget, and tolerance for downtime. Bring those details to help your provider design a personalized plan.

This article has been medically reviewed by:
Nazish Ahmed, PhD | Senior Director, Lab Operations

Dr. Nazish Ahmed is a regenerative medicine scientist with more than 20 years of expertise in stem cell biology, cryogenics, and biomanufacturing. She holds a PhD in Pharmaceutical Engineering focused on stem cell–based cartilage regeneration and has authored numerous peer-reviewed publications.

From Botox to Biobanking: Tracing the History of Anti-Aging

KEY TAKEAWAYS:

  • The desire to slow aging is nothing new. From Egyptian oils to Victorian wrinkle cures, every era has sought ways to preserve youth.
  • The 21st century marks a new chapter: regenerative medicine. Treatments like PRP, stem-cell therapy, and secretome are helping the body rebuild and repair from within.

At first glance, the fixation on anti-aging feels like a modern invention: The stuff of Botox parties, tabloid headlines, and social media “anti-wrinkle hacks.” But in truth, the quest to slow time has been with us for millennia. Ancient Egyptians used rituals to preserve youth, 19th-century surgeons attempted facelifts, and collagen injections came into vogue in the 1970s. Each era reflects both the tools of its time and the cultural meaning of aging.

Today, that perspective is shifting yet again. Beauty is no longer skin deep—it’s cell deep. As we herald in new breakthroughs in regenerative science, it’s less about disguising decline and more about reprogramming it altogether; teaching our biology to behave younger. And we’re changing the game for medical therapies and aesthetics alike.

But to see how far we’ve come, it’s worth taking a look back at how our approach to anti-aging has evolved over time. 

Antiquity to 19th Century: Ancient Rituals and Early Experiments

Ancient Civilizations: Rituals rooted in nature

Egyptian and Roman texts describe the use of botanical extracts, animal fats, and mineral compounds to preserve skin elasticity and delay visible signs of aging. In Traditional Chinese Medicine, herbs like ginseng, goji, and reishi were (and still are) prescribed for longevity and vitality. And while it’s popular to this day, the Chinese therapy of gua sha was first documented in medical texts of the Yuan dynasty (1271-1368 CE), though some archaeological evidence actually dates similar scraping techniques back to the Paleolithic era.

Middle Ages: The humors

In Europe, medical theory was dominated by Galen’s humoral system, which framed aging as the gradual drying and cooling of the body. “Rejuvenation” therapies were aimed at rebalancing humors: bloodletting, herbal tonics, mineral baths, and dietetics. These interventions represented an attempt to medicalize aging, interpreting it as a physiological process rather than just a natural inevitability.

The Renaissance and Enlightenment: Laying the groundwork

With advances in anatomy and chemistry, scholars began to challenge Galenic theory. Physicians such as Paracelsus argued that chemistry could be harnessed for medicine, leading to experiments with distillations, tinctures, and early pharmacology. Cosmetic potions gave way to early medical skin treatments, and people began talking about aging as a biological process instead of a mystery. This intellectual shift laid the conceptual groundwork for dermatology and modern medical aesthetics. 

That’s not to say that beauty fads didn’t have their moment: In Elizabethan England, for example, elite women placed slices of raw meat on their faces as an overnight wrinkle treatment.

19th Century Medicine: The birth of the consumer market

By the late 1800s, surgeons were quietly experimenting with some of the earliest wrinkle excisions. Results were inconsistent, but these procedures represented a major turning point as doctors attempted to physically intervene in the aging process—a step closer to the modern idea of aesthetic medicine. 

Meanwhile, anti-aging started to make its way to the consumer market. In 1889, Ohio housewife Margaret Kroesen created Frownies: adhesive patches designed to soften fine lines.

The 20th Century: From Facelifts to Fillers

1900s to 1930s: Early facelifts

In 1901, German surgeon Eugen Holländer documented one of the first facelifts, and similar “wrinkle excisions” spread across Europe.

These procedures were basic skin lifts with limited results, but they established surgery as a legitimate avenue for age intervention. The 1920s also saw the rise of menopausal hormone therapy (MHT), such as estrogen injections and hormone creams.

1940s to 1950s: Dermatology on the rise

At the start of the mid-century, dermatology started to emerge more prominently as a recognized specialty, broadening from medical to aesthetic care. Dermabrasion, the predecessor of microdermabrasion, became a treatment du jour, utilizing a motorized wire brush to treat scars and sun damage. (As you might imagine, the recovery was… challenging.)

1960s to 1980s: Collagen injections and “volume restoration”

Some of the earliest injectable fillers consisted of substances like paraffin wax, which carried a high risk of migration and other nasty side effects. But in the 1970s, scientists successfully developed and tested the first animal collagen filler. Approved by the FDA in 1981, Zyderm was a bovine collagen used to correct wrinkles, facial lines, and scars.

The 1980s also gave way to a new category of in-office aesthetic treatments: lasers. CO2 lasers allowed dermatologists to carefully remove superficial layers of skin to stimulate collagen production and repair. 

Meanwhile, a San Francisco ophthalmologist named Alan Scott began researching the use of botulinum toxin to treat eye spasms. One side effect he started to notice in his patients? The softening of wrinkles around their eyes. That’s right: The birth of Botox was a happy accident.

1990s: Anti-aging goes mainstream

The 1990s accelerated the democratization of aesthetic treatments. Retinoids exploded as a consumer category, allowing consumers to gently resurface their skin at home. And the buzz around Botox reached a fever pitch, culminating in its FDA approval for wrinkle treatment in 2002.

The 21st Century: From Botox to Biobanking

2000s: Botox changes everything

Quick, repeatable, and relatively affordable, Botox fueled the cultural conversation and made anti-aging part of a holistic, preventative routine rather than a hidden luxury. All the while, the injectable menu was expanding quickly: With the approval of Restylane in 2003, hyaluronic acid fillers began to emerge as a safer replacement for bovine collagen.

Meanwhile, fractional lasers became more commonplace in aesthetic offices in the mid-2000s, offering significantly less downtime and more precise regenerative results than their predecessors.

2010s: Regenerative aesthetics start to take hold

While injectables were certainly effective, they were also inherently limited—doing little to actually address the root causes of aging. The next wave of aesthetics began to look under the hood, borrowing from regenerative medicine to help the body act—and by extension, look—younger.

Platelet-rich plasma (PRP) was an early pioneer. First described in the 1970s and used in orthopedics and dentistry to speed healing, PRP was repurposed into aesthetics when physicians noticed its ability to stimulate collagen production and improve tissue quality. By drawing patient’s blood, spinning it down to concentrate platelets, and reinjecting the growth-factor–rich plasma into the skin, doctors created a treatment that actually encouraged cellular repair. Popularized as the “vampire facial,” PRP made regenerative biology accessible to a consumer audience.

Stem cell research followed closely behind. Scientists had long known that mesenchymal stem cells (MSCs), found in fat tissue and bone marrow, had remarkable regenerative potential. In the late 2000s and early 2010s, experimental aesthetic procedures began using autologous stem cells (often harvested from liposuction material) to rejuvenate skin and soft tissue. Though stymied by mixed results and regulatory hurdles, the concept was groundbreaking: using one’s own stem cells to reverse the visible effects of aging.

2020s: The Longevity Era

Now, the conversation around anti-aging is increasingly converging with longevity medicine. Our focus is no longer just looking younger, but living younger, and research is steadily providing a more detailed blueprint for doctors and consumers alike.

In this new world, our age is quite literally just a number—instead, our “biological age” provides a more accurate read on how young our body acts. Epigenetic clocks and other biomarkers make it possible to track aging at the molecular level, and to see the measurable effects of interventions like diet, exercise, or medical treatments on healthspan.

At the same time, biobanking has emerged as a powerful tool for future-proofing. Patients can now store youthful stem cells or plasma, preserving their regenerative potential for therapies still in development. And perhaps most excitingly, research is showing that it’s not always the cells themselves that matter most, but the signals they release. Tiny messengers called exosomes, and the broader secretome they belong to, play a critical role in how cells communicate repair instructions. Early studies suggest these molecules can stimulate collagen production, reduce inflammation, and restore youthful cellular function.

And as we look forward, companies like Acorn are bringing these advances out of the lab, into the practitioner’s office… and directly into consumers’ hands. Acorn YOUTM is a secretome product captured directly from a patient’s own stem cells, harvested painlessly from hair follicles, unlike some of the more invasive stem cell banking methods of the past. The resulting product is paired with treatments like microneedling, lasers, or for hair regrowth—harnessing our body’s most resilient cells to speed healing, regeneration, and essentially encouraging our cells to act younger at the source.

Advancements like Acorn YOUTM demonstrate how regenerative aesthetics are becoming more personalized and more accessible than ever—ultimately, offering a glimpse into how the next few years might unfold.

The history of anti-aging is really the history of medicine moving inward. We began with rituals and remedies, graduated to surgery and injectables, and are now working directly with the body’s own cellular programs. In just over a century, we’ve gone from wrinkle patches to molecular therapies; from chasing youth to engineering longevity.

FAQs

Q: What’s driving the shift from traditional anti-aging to regenerative medicine?
A: Historically, we focused on masking aging through creams, lifts, and injectables. Regenerative medicine takes a deeper approach, helping the body restore itself by reactivating at the cellular level.

Q: What exactly is “regenerative aesthetics?”
A: It’s the integration of regenerative medicine into aesthetic care: using your body’s own cells to promote repair, collagen production, and renewal. Examples include PRP, stem cell-derived treatments, and secretome therapy.

Q: What is secretome, and why is it so important?
A: The secretome is the collection of growth factors, peptides, and exosomes that your cells naturally release to communicate. It’s like your body’s internal “language” for regeneration, and it’s the foundation of Acorn YOU.

Q: How is Acorn YOU different from traditional stem cell treatments?
A: Unlike donor-derived or more invasive procedures, Acorn Secretome uses your own stem cells, painlessly harvested from hair follicles. Those cells are processed into a personalized secretome product, which is then paired with in-clinic treatments like microneedling or laser to amplify results.

Q: What kinds of results can regenerative treatments achieve?
A: Clinical studies show measurable improvements in skin texture, tone, and elasticity within 30 days, along with faster healing and reduced inflammation. For hair, secretome treatments can improve density and quality within 90 days.

Q: What’s next for the field of anti-aging?
A: The future lies in personalization: banking your cells while they’re at their biological best, and using them in future therapies.

This article has been medically reviewed by:

Nazish Ahmed, PhD | Senior Director, Lab Operations

Dr. Nazish Ahmed is a regenerative medicine scientist with more than 20 years of expertise in stem cell biology, cryogenics, and biomanufacturing. She holds a PhD in Pharmaceutical Engineering focused on stem cell–based cartilage regeneration and has authored numerous peer-reviewed publications.

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