Clinical Trials Confirm Exosome Serums Significantly Reduce Skin Aging

Clinical trials conducted in recent years provide robust evidence that exosome-based therapies significantly improve several markers of skin aging—including wrinkles, hydration, elasticity, pigmentation, and overall skin texture. Studies have investigated exosomes derived from multiple biological sources: adipose-derived stem cells (ADSC), platelets, placental mesenchymal stem cells (PMSC), and even milk, each demonstrating measurable anti-aging benefits.

TRENDS AND INNOVATIONSSKINCARE

Kathrin Laser

10/22/20251 min read

a woman with long hair and a bright orange dress
a woman with long hair and a bright orange dress

Key Clinical Findings

  • ADSC-exosome clinical trials: A suspension of ADSC-exos injected into the skin of 72 women (ages 34–68) resulted in peak improvement in skin stability, softness, and hydration at day 30. Benefits persisted at day 90, though slightly reduced. No significant adverse events reported.

  • Loaded ADSC-EVs (NAD+, NR, Resveratrol): In a study with three subjects (ages 30–40), daily exosome application over eight weeks led to a 19% increase in hydration, a 104% increase in elasticity, a 51% reduction in pore volume, and a visible reduction in melanin pigmentation, redness, and skin unevenness.

  • Platelet-exosome topical regimen: In a six-week trial with 56 participants (ages 40–85), topical application of platelet-derived exosomes improved facial skin texture, reduced photodamage, and increased skin uniformity and brightness. 16% reported transient dry skin, but no severe side effects.

  • PMSC-exosomes ± CaHA injections: 40 subjects received combinations of PMSC-exosome topical treatment and/or CaHA injection. All experienced improvements in skin tone, quality, and texture, with the most pronounced and rapid effects in the exosome plus CaHA group. No significant adverse events.

  • Milk-exosome topical trials: A four-week study of 31 women using milk-exosome serum showed a 4–5% increase in skin moisture, a 9% decrease in wrinkle area, and no skin irritation or allergic reaction.

Exosomes’ advantages over conventional anti-aging treatments include:

  • High stability and biocompatibility

  • Precise delivery of growth factors and cytokines

  • Multifaceted modes of action (cell repair, antioxidation, barrier enhancement)

  • Minimal risks for immune rejection or tumorigenesis

    However, widespread clinical adoption faces challenges such as standardizing isolation, optimizing formulations, improving delivery methods, and regulatory oversight.​

    In conclusion, clinical studies confirm that exosome-based treatments offer measurable anti-aging effects—including wrinkle reduction, improved hydration, elasticity, and overall skin rejuvenation—while demonstrating favorable safety profiles. Continued research and regulatory refinement will be key to unlocking their full therapeutic potential.

Supporting trials and reviews consistently show exosomes stimulate collagen synthesis, boost cell proliferation, reduce inflammation, and increase extracellular matrix remodeling—mechanisms essential for robust anti-aging outcomes.​