A Collagen Supplement Improves Skin Hydration, Elasticity, Roughness, and Density: Results of a Randomized, Placebo-Controlled, Blind Study.
- 2019-10-17
- RCT
- Nutrients 11(10)
- Liane Bolke
- Gerrit Schlippe
- Joachim Gerß
- Werner Voss
- PubMed: 31627309
- DOI: 10.3390/nu11102494
- High evidence
- Rigorous Journal
- Mixed
The test product significantly improved skin hydration, elasticity, roughness, and density.
- Effect
- Beneficial
- Effect size
- Moderate
- Significant
- Yes
- Dose
- contained in the drinking ampoule (blend with collagen peptides, acerola fruit extract, vitamin C, zinc, and native vitamin E complex)