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Randomized Controlled Trial
. 2024 Nov;23(11):3645-3653.
doi: 10.1111/jocd.16458. Epub 2024 Aug 15.

Influence of collagen peptide supplementation on visible signs of skin and nail health and -aging in an East Asian population: A double blind, randomized, placebo-controlled trial

Sara Vleminckx  1 , Nicolina Virgilio  1 , Jerome Asserin  2 , Janne Prawitt  1 , Catarina I F Silva  1
Affiliations
Randomized Controlled Trial

Influence of collagen peptide supplementation on visible signs of skin and nail health and -aging in an East Asian population: A double blind, randomized, placebo-controlled trial

Sara Vleminckx et al. J Cosmet Dermatol. 2024 Nov.

Abstract

Background: A healthy skin provides protection against intrinsic and extrinsic factors. Skin aging is characterized by structural and morphological alterations affecting skin health, integrity, and functionality, resulting in visible aging signs.

Aim: The primary objective of this study was to assess the effect of a collagen peptide dietary supplement on skin aging in the East Asian population.

Methods: Eighty-five healthy women, aged from 43 to 65 years old, were randomly assigned to the collagen supplement (CP, 5 g) or placebo (maltodextrin, 5 g) group. To standardize daily skin care, the volunteers in both groups used a specific face cream for 28 days prior to and throughout the supplementation period, creating an equal baseline for the assessment of the efficacy of CP on several skin parameters. At baseline, day 28 and day 84, the following hallmarks of skin and nail aging were assessed: dermis density, skin moisture and elasticity, wrinkle visibility, beauty perception, and nail color.

Results: After 84 days, a significant improvement of dermis density and skin moisture was observed in the collagen peptides group compared to the placebo group. Positive effects on skin elasticity, wrinkle visibility, nail color, and overall beauty perception were already observed within 28 days of supplementation in the CP group, while the same effects in the placebo group were only observed after 84 days.

Conclusion: Taken together, these results show that, in addition to a standardized skin care, daily supplementation with 5 g of collagen peptides positively affects visible signs of skin and nail aging in the East Asian population.

Keywords: collagen peptides; dermis density; skin aging; skin elasticity; skin hydration.

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References

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