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Efficacy and Tolerability of Topical Platelet Exosomes for Skin Rejuvenation: Six-Week Results

Abstract Background Exosomes are regenerative mediators for skin rejuvenation. Human platelet extract (HPE) is an allogeneic exosome product derived from US-sourced, leukocyte-reduced apheresed platelets with consistent purity and potency. Objectives The authors sought to better characterize the saf...

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Bibliographic Details
Published in:Aesthetic surgery journal 2022-09, Vol.42 (10), p.1185-1193
Main Authors: Proffer, Sydney L, Paradise, Christopher R, DeGrazia, Emily, Halaas, Yael, Durairaj, K Kay, Somenek, Michael, Sivly, Angela, Boon, Andrea J, Behfar, Atta, Wyles, Saranya P
Format: Article
Language:English
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Summary:Abstract Background Exosomes are regenerative mediators for skin rejuvenation. Human platelet extract (HPE) is an allogeneic exosome product derived from US-sourced, leukocyte-reduced apheresed platelets with consistent purity and potency. Objectives The authors sought to better characterize the safety and tolerability of novel HPE (plated) Intensive Repair Serum (Rion Aesthetics, Rochester, MN) and its maximal effects on skin rejuvenation at 6 weeks. Methods This prospective, single-arm, non-randomized, longitudinal study investigated the safety and efficacy of HPE. Structured sub-analysis evaluated multifactorial improvement in skin health following standardized skin care regimen to determine the maximal effect. Evaluation at baseline and 6 weeks included participant questionnaires and photo documentation with VISIA-CR Generation 5 3D PRIMOS (Canfield Scientific Inc, Fairfield, NJ). Results VISIA-CR imaging yielded quantifiable and statistically significant improvements in overall skin health (skin health score). A greater score correlated to greater overall skin health, and there was a statistically significant mean delta improvement of 224.2 ± 112.8 (mean ± standard deviation, P ≤ 0.0001) in skin health score at 6 weeks compared with baseline. This correlated to reduction in redness, wrinkles, and melanin production across all cosmetic units (P = 0.005, P = 0.0023, P ≤ 0.0001, respectively) and significant improvements in luminosity and color evenness (P ≤ 0.001). Conclusions A topically applied platelet-derived exosome product, HPE, induced normalization to skin health at 4 to 6 weeks with improved various clinical measures of facial photodamage and cutaneous aging. It is safe, well-tolerated, and well-liked by participants. Level of Evidence: 4
ISSN:1090-820X
1527-330X
DOI:10.1093/asj/sjac149