Frequently Asked Questions (FAQ) – Regenera

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Frequently Asked Questions (FAQ)

The information presented on this page is provided for general educational and cosmetic purposes only. It should not be interpreted as medical advice. The statements have not been evaluated by the U.S. Food and Drug Administration. Regenera’s products are formulated as cosmetic skincare and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary, and you should consult with a qualified healthcare professional if you have any concerns or specific skin conditions.

Understanding Exosomes

What are exosomes, and how do they benefit the skin?

Exosomes are tiny extracellular vesicles produced by cells.¹ Scientific reviews classify exosomes as 30–150 nanometres in diameter and note that they contain proteins, lipids, and nucleic acids such as messenger RNA and microRNA.¹ Because of their nano-scale size and rich cargo, exosomes act as intercellular messengers, shuttling biological signals from one cell to another. Stem-cell–derived exosomes can carry growth factors, cytokines, and regulatory RNAs that support skin health. Reviews on the use of exosomes in skincare report that they can help improve the appearance of skin tone and texture, reduce wrinkles and fine lines, and enhance elasticity and hydration.⁴ Exosomes have also been studied for their potential to reduce inflammation and promote skin healing.⁴ In skincare, exosomes are prized for delivering these bioactive cues without introducing living cells.

How are exosomes different from stem cells?

Stem cells are whole, living cells capable of dividing and differentiating into new tissue. Because they contain complete DNA and can proliferate, stem cells must be used carefully and are often delivered by injection or invasive procedures. Exosomes, on the other hand, are non‑living vesicles naturally released by cells. They have no nucleus and do not replicate; instead they carry signaling molecules (proteins, lipids and RNAs) to other cells. Exosomes are nanometre‑sized (30–200 nm), whereas stem cells are many micrometres across and cannot penetrate the skin barrier on their own¹. Scientific reviews highlight that exosome therapy is a cell‑free approach with lower risks of immune rejection or tumorigenicity compared with cell therapies⁴.

How do exosomes differ from traditional skincare ingredients?

Most cosmetic ingredients—such as moisturizers, peptides or antioxidants—work by coating the skin or targeting single pathways (e.g., increasing moisture or reducing free radicals). Exosomes are different because they act as biological messengers: they deliver molecular instructions that help skin cells rejuvenate themselves. Research shows that exosomal cargo can increase collagen and elastin production, improve hydration and suppress inflammatory mediators³ ⁵. In essence, exosomes support the skin’s own renewal processes rather than simply masking signs of aging.

How Do Exosomes Support Skin’s Appearance?

As skin matures, it naturally produces less collagen—the protein that helps keep it looking firm, smooth, and supple. Our Exopure™ Complex features exosomes, microscopic messengers inspired by regenerative research, that work in harmony with your skin’s own communication network. In cosmetic formulations, exosomes can help support an environment where skin appears more refined, luminous, and resilient.

What skin concerns can exosome skincare help with?

Exosome-powered formulas are designed to work in harmony with the skin’s natural renewal process. When used consistently as part of a healthy skincare routine, they may help improve the appearance of:

How MSC-Derived Exosomes Work in Skincare

Mesenchymal stem cell (MSC)–derived exosomes are nano-sized messengers studied for their role in skin communication and renewal. In skincare, they are valued for their ability to deliver signaling molecules—such as proteins, peptides, and lipids—that can help support the skin’s natural processes.

When incorporated into topical formulas, MSC-derived exosomes may help:

By working in harmony with your skin’s own biology, MSC-derived exosomes can help it appear smoother, more balanced, and resilient over time.

Exopure Serum

What is Exopure Serum?

Exopure Serum is a lightweight, fast-absorbing facial treatment powered by MSC-derived exosomes—microscopic messengers that help support skin’s natural regeneration. The formula is designed to improve the look of skin’s texture, radiance, and resilience while helping reduce visible signs of aging.

What are the key ingredients?

What’s Inside Exopure Serum

What Makes the Exopure Serum Formula Unique?

Exopure Serum is crafted with a high concentration of MSC-derived exosomes—nature’s microscopic messengers that help support skin’s natural repair and renewal. These are combined with advanced hydration boosters, elasticity-supporting peptides, and calming actives to deliver visible improvements in skin radiance, texture, and resilience.

Our formula is:

Is it suitable for all skin types?

Yes. The formula is oil-free, non-comedogenic (won’t clog pores), and dermatologist-tested. It is suitable for all skin types, including sensitive skin.

How do I use it?

Apply 1–2 pumps onto clean, dry skin—morning and evening. Follow with moisturizer and SPF in the daytime.

Tip: It can be layered under other serums or used as part of a post-procedure skincare routine (only as directed by your professional).

Can I use it with other skincare products or treatments?

Yes. Exopure Serum is designed to be compatible with most skincare routines and can be used alongside other serums, moisturizers, and treatments. For use after professional procedures, follow your provider’s guidance.

How should I store it?

Store in a cool, dry place away from direct sunlight and heat. Keep the bottle tightly closed to maintain product stability.

Avoid exposing the formula to extreme temperatures.

How long will one bottle last?

When used twice daily, a 30ml bottle typically lasts about 4–6 weeks.

Is it safe for sensitive skin?

Yes, the formula is dermatologist-tested and free from common irritants. If you have extremely sensitive skin or known allergies, we recommend performing a patch test before regular use.

Exosome Sourcing, Processing & Safety

Where do Regenera’s exosomes come from?

Regenera uses exosomes derived from human umbilical‑cord mesenchymal stem cells (UC‑MSCs) sourced and processed in the United States. Published work highlights that UC‑MSC exosomes provide a high yield of vesicles and can be collected without invasive procedures or ethical concerns⁶. Donor umbilical cords are obtained with informed maternal consent following full‑term births. Compared with exosomes from adult tissues, umbilical‑derived exosomes tend to contain a richer array of growth factors and are viewed as more potent in regenerative applications.

Why does Regenera use UC‑MSC exosomes for skin rejuvenation?

The secretions of UC‑MSCs (often called the MSC secretome) include exosomes loaded with growth factors such as epidermal growth factor (EGF), fibroblast growth factor‑2 (FGF‑2), insulin‑like growth factor‑1 (IGF‑1), transforming growth factor‑β (TGF‑β), hepatocyte growth factor (HGF), platelet‑derived growth factor (PDGF) and vascular endothelial growth factor (VEGF)⁵. These growth factors stimulate collagen synthesis, improve elasticity and enhance microvascular circulation. UC‑MSC exosomes also contain proteins, peptides and regulatory RNAs that support cellular repair² ⁵. Because UC‑MSC exosomes deliver a concentrated mix of regenerative signals without introducing live cells, they are well‑suited for topical cosmetic use.

How are donors screened?

Donors of umbilical cord tissue undergo medical and social history screening in accordance with U.S. regulations (21 CFR Part 1271) and tissue bank standards. Screening typically includes tests for communicable diseases such as HIV, HTLV, hepatitis B and hepatitis C. Only donors who meet all eligibility criteria are accepted.

How are the exosomes processed?

After collection, mesenchymal stem cells are isolated from Wharton’s Jelly (the gelatinous tissue inside the umbilical cord) and cultured under controlled laboratory conditions. The cells secrete exosomes into the culture medium (the MSC secretome). Exosomes are then harvested and purified through a series of filtration and centrifugation steps to remove cells and debris. This process yields a clean exosome fraction enriched in growth factors and signaling molecules⁵. The purified exosomes are formulated into the final serum under aseptic conditions..

What is inside Regenera’s exosomes?

Exosomes from UC-MSCs (umbilical cord–derived mesenchymal stem cells) contain a diverse mix of biologically active components, including:

How many exosomes are in each product?

Each millilitre (mL) of Regenera’s serum contains approximately 600 million exosome particles. The quantity is measured by nanoparticle analysis to ensure consistency and potency from batch to batch.

What size are the exosomes, and how is this verified?

The exosomes in Regenera’s serum are typically 30–150 nm in diameter, consistent with the size range described for exosomes in scientific literature.¹

Are Regenera’s exosomes safe?

Exosomes are acellular, meaning they lack nuclei and cannot replicate. Reviews of exosome therapies note that they are cell-free and may have lower risks of tumorigenicity or immune rejection compared with stem-cell therapies.¹ While topical exosome serums are generally well tolerated, the U.S. Food and Drug Administration (FDA) has issued public safety notifications regarding the broader unregulated market, which has been linked to adverse events, including bacterial infections.¹¹

Is your production GMP compliant?

The U.S. FDA is in the process of establishing Good Manufacturing Practice (GMP) regulations for cosmetic facilities under the new Modernization of Cosmetics Regulation Act of 2022 (MoCRA).¹³ The proposed rule aims to protect public health by ensuring products are not adulterated due to contamination or other issues during manufacturing.¹⁴ Regenera voluntarily adheres to these forthcoming GMP guidelines, which emphasize documentation, quality control, and the prevention of cross-contamination.¹⁵15

Are Regenera’s products free from contaminants like tumor DNA or bacteria?

Exosomes are acellular and contain only small fragments of genetic material, not whole DNA.¹⁷ Therefore, they do not contain tumorigenic DNA. Rigorous purification and quality control are essential during production to remove other contaminants like bacteria.¹¹

Mechanisms & Clinical Evidence

How do exosomes work to rejuvenate the skin?

When applied topically, exosomes can deliver their cargo of growth factors, cytokines, and regulatory RNAs to skin cells.⁶ These signals can encourage fibroblasts to produce more collagen and elastin, reduce inflammation, and promote cell proliferation and migration during wound healing.⁵

Are there clinical studies supporting exosome skincare?

Yes. Early clinical studies have examined topical exosomes in combination with procedures such as microneedling. In a 2023 randomized split‑face study with 28 participants, an adipose‑stem‑cell exosome solution (HACS) was applied to one side of the face after microneedling, while the other side received microneedling alone. After 12 weeks, the exosome‑treated side showed significantly greater improvements in wrinkles, elasticity, hydration and pigmentation. For example, wrinkle depth decreased by 13.4 % compared with 7.1 % on the control side; skin elasticity increased 11.3 % versus a 3.3 % decline on the control side; and melanin levels decreased by 9.9 % versus 1 %⁸. A separate study using platelet‑derived exosomes reported improvements in redness, wrinkles and skin luminosity⁹. These preliminary trials suggest that exosomes can enhance cosmetic outcomes when paired with standard treatments.

Why is exosome therapy emerging now?

Exosomes were first described in the early 1980s as vesicles released during red‑blood‑cell maturation. For many years they were thought to be cellular debris. Advances in bioprocessing have since revealed that exosomes are potent biological messengers. New technologies now allow researchers to purify exosomes at scale, analyze their contents and store them at room temperature without degrading. As understanding of exosome biology grows, interest in applying them to skin rejuvenation and other fields has risen. However, exosome products intended to treat diseases are regulated as biologics and require FDA approval.

Are exosomes scientifically credible?

Exosomes have been extensively studied in regenerative medicine, oncology, cardiology and dermatology. Reviews on skin photoaging report that stem‑cell‑derived exosomes improve collagen and elastin expression while reducing matrix metalloproteinase activity³. Research on wound healing shows that exosomes containing growth factors (EGF, FGF, IGF, PDGF, TGF‑β and VEGF) promote angiogenesis and reduce inflammation⁵. Clinical trials in dermatology, including the randomized study described above, provide early evidence that exosomes can enhance skin hydration, elasticity and pigmentation⁸. The field is rapidly growing, with new studies published regularly. Nevertheless, exosome skincare should be viewed as cosmetic; there are no FDA‑approved exosome products for medical use, and therapeutic applications are still being evaluated¹⁰.

Regenera Protocols

How do I use Regenera for prevention and maintenance?

If your skin is healthy or younger, start with an intensive phase: apply morning and night for 6 weeks. After that, move to maintenance: apply 2–3 times per week in the evening.

Always finish your morning routine with broad-spectrum SPF to prevent photoaging.

If you have microneedling, switch temporarily to our Post-Procedure Recovery protocol for 5–7 days, then return to your Prevention & Maintenance routine.

What’s the right protocol if I want to repair visible aging or sun damage?

For fine lines, uneven tone, or sun damage, begin with twice daily use for 8 weeks to reverse visible changes. Then transition to a nightly routine for long-term repair.

SPF is essential every morning to protect your results.

If you add microneedling, use the Post-Procedure Recovery protocol for 5–7 days post-treatment, then resume Repair & Renewal to maximize collagen and skin rejuvenation.

How should I use Regenera after microneedling or other procedures?

Immediately after treatments like microneedling, laser, or peels, apply Regenera twice daily for 5–7 days. This accelerates healing, reduces downtime, and enhances your treatment results.

Always pair with SPF during recovery to protect freshly treated skin.

Once your skin has healed, return to the long-term protocol that best fits your skin type (Prevention, Repair, or Mature Support).

Can I use Regenera if my skin is sensitive or reactive?

Yes. For flare-ups, apply Regenera 2–4 times per week. For added support, you can use it twice daily for up to 2 weeks.

Pair with a gentle mineral SPF each morning to avoid irritation.

Microneedling is not recommended during flare-ups, but if performed, begin with Post-Procedure Recovery before resuming your Sensitive Skin protocol.

What is the protocol for mature skin?

For skin 50+ or showing deeper signs of aging, apply Regenera twice daily, every day for continuous high-intensity care. This helps restore firmness, density, and vitality.

Daily SPF is critical to protect progress and prevent further damage.

If you include microneedling, follow Post-Procedure Recovery for 5–7 days, then return to your Mature Support routine.

Do I really need SPF if I’m using Regenera?

Yes—SPF is non-negotiable. Daily sunscreen ensures your results last, prevents UV-induced damage, and supports long-term skin health alongside Regenera.

Application & Results

What benefits can I expect from Regenera’s exosome skincare?

R Regenera’s Exopure™ Booster Serum is formulated to visibly improve the appearance of skin. Reported benefits may include:

How soon will I see results?

Many people notice increased hydration and radiance within the first one to two weeks of daily use. Visible improvements in firmness, tone and texture typically appear between weeks 4 and 8, corresponding to the time it takes for new collagen to form. Continued use over three to four months allows for ongoing collagen remodeling and deeper rejuvenation. Individual results vary depending on skin type, age and the overall skincare routine..

Who is Regenera for?

Regenera is suitable for a wide range of people:

Sensitive or compromised skin: The gentle, anti‑inflammatory properties of exosomes make the serum a good option for those with reactive skin (always patch‑test first).

Can exosomes be combined with other skincare?

Yes. Exosomes complement most skincare regimens.

How do exosomes work with microneedling?

Microneedling creates temporary micro-channels in the skin, which both stimulate collagen production and allow topical products to penetrate more effectively.⁵ Preliminary evidence from small case series suggests that exosomes plus microneedling may lead to improvements in skin texture, pore size, and pigmentation.²⁰ However, it is important to note that most of the current data is from small trials or case reports, and larger, controlled studies are needed to confirm these results.²¹

Safety, Storage & Ethics

Are Regenera products FDA‑approved?

Regenera’s serum is a cosmetic, not a drug. The U.S. Food and Drug Administration (FDA) has clarified that exosome products intended to treat diseases or conditions require FDA approval, and at present, there are none.²³ The FDA has also issued warning letters to companies making therapeutic claims that classify their products as unapproved drugs.²⁴

Are there risks or side effects?

Topical exosome serums are generally well tolerated. Because exosomes are acellular and lack DNA, they cannot replicate or form tumours⁴. In clinical studies and commercial use, no serious adverse effects have been reported when exosome products are used as directed⁸. As with any cosmetic, a small number of individuals may experience mild irritation; patch testing is recommended for sensitive skin. Regenera’s serum is free of harsh chemicals, artificial colors or fragrances.

How should Regenera products be stored?

The serum is shelf-stable at room temperature for up to two years unopened. Once opened, use within three months.

Are Regenera’s exosomes ethically sourced?

Yes. All exosomes come from ethically donated, full-term umbilical cords collected in the United States with informed maternal consent.

What sets Regenera apart in the luxury skincare market?

Regenera combines cutting-edge biotechnology with elegant formulation. Unlike many “stem-cell” cosmetics that rely on plant extracts or marketing hype, Regenera uses human exosome technology supported by scientific literature and a commitment to quality standards.

This page compiles Regenera’s Frequently Asked Questions and incorporates scientific references. The information is presented for educational purposes and should not be considered medical advice.

¹ Exosomes in skin photoaging: biological functions and therapeutic opportunity - PMC, accessed August 25, 2025

² Boosting the Biogenesis and Secretion of Mesenchymal Stem Cell-Derived Exosomes - PMC, accessed August 25, 2025.

³ Therapeutic Applications of Stem Cell-Derived Exosomes - MDPI, accessed August 25, 2025

⁴ Therapeutic Values of Exosomes in Cosmetics, Skin Care, Tissue Regeneration, and Dermatological Diseases - MDPI, accessed August 25, 2025

⁵ How Exosome Therapy Promotes Collagen and Skin Health - Revenge MD, accessed August 25, 2025

⁶ Exosome Treatment Brooklyn & Staten Island - kalon Dermatology, accessed August 25, 2025

⁷ Exosome Therapy: The Latest Breakthrough in Skin Rejuvenation - Skincell Clinic, accessed August 25, 2025

⁸ Use of Exosomes for Cosmetics Applications - MDPI, accessed August 25, 2025

⁹ Differential Wound Healing Capacity of Mesenchymal Stem Cell-Derived Exosomes Originated From Bone Marrow, Adipose Tissue and Umbilical Cord Under Serum- and Xeno-Free Condition - Frontiers, accessed August 25, 2025

¹⁰ Exosome Source Matters: A Comprehensive Review from the Perspective of Diverse Cellular Origins - PMC, accessed August 25, 2025

¹¹ Stem Cell and Exosome Products | HAI - CDC Archive, accessed August 25, 2025

¹² Harms Linked to Unapproved Stem Cell Interventions Highlight Need for Greater FDA Enforcement, accessed August 25, 2025

¹³ Modernization of Cosmetics Regulation Act of 2022 (MoCRA) - FDA, accessed August 25, 2025

¹⁴ View Rule - Reginfo.gov, accessed August 25, 2025

¹⁵ FDA - Guidance for Industry - Cosmetic Good Manufacturing Practices, accessed August 25, 2025

¹⁶ Good Manufacturing Practice (GMP) Guidelines/Inspection Checklist for Cosmetics - FDA, accessed August 25, 2025

¹⁷ Risks associated with the unregulated human clinical use of exosomes: inaccurate characterization, unsafe cell sources & product mislabelling - ResearchGate, accessed August 25, 2025

¹⁸ Full article: Adipose-derived stem cell exosomes for treatment of dupilumab-related facial redness in patients with atopic dermatitis - Taylor & Francis Online, accessed August 25, 2025

¹⁹ The Efficacy of Combined Exosome (Exodew) and Microneedling Treatment for Facial Pore Reduction and Skin Texture Improvement - PMC, accessed August 25, 2025

²⁰ Efficacy and Tolerability of a Microneedling Device Plus Exosomes for Treating Melasma, accessed August 25, 2025

²¹ The Efficacy of Combined Exosome (Exodew) and Microneedling Treatment for Facial Pore Reduction and Skin Texture Improvement - ResearchGate, accessed August 25, 2025

²² Exosome Therapy Results: Evidence, Outcomes & Patient Experience | IAPAM, accessed August 25, 2025

²³ Potential Risks of Treatment with Unapproved Regenerative Medicine Products | TrueTrials, accessed August 25, 2025

²⁴ Evolutionary Biologics Inc. - 681586 - 12/30/2024 - FDA, accessed August 25, 2025

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