Collagen trial reports skin changes but leaves benefit size unclear
A placebo-controlled study reported improvements in wrinkles, elasticity and hydration with a specific collagen product; the abstract does not give numerical between-group differences.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
This trial tested a specific collagen peptide supplement against placebo in healthy adults. The authors report improvements in wrinkles, elasticity and hydration in the supplement group, with effects persisting during a brief period after stopping. However, the abstract does not provide numerical between-group differences, so the magnitude of any advantage over placebo remains unclear.
The abstract gives neither numerical effect sizes nor confidence intervals for the skin outcomes. Its short observation period also limits conclusions about durability and safety.
Measurements covered several skin features
Researchers used skin-measuring devices and expert visual assessments. Alongside wrinkle and hydration changes, they reported changes in dermal density and pore measurements, but the abstract gives no numerical estimates to judge their size.
Safety reporting has a timeframe
No adverse events were reported during the study. That observation describes this particular trial and follow-up period; it cannot establish longer-term safety or rule out problems that were too uncommon to appear here.
The original publication
Skin Anti-Aging and Moisturizing Effects of Low-Molecular-Weight Collagen Peptide Supplementation in Healthy Adults: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial.
Lee E, Ahn DK, Kim JH et al.
J Microbiol Biotechnol · 2025
- PubMed ID
- 40935395
- Record checked
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