References: 1. Oral Collagen Supplementation: A Systematic Review of Dermatological Applications 2. The effect of oral collagen peptide supplementation on skin moisture and the dermal collagen network: evidence from an ex vivo model and randomized, placebo-controlled clinical trials
References:
1. Oral Collagen Supplementation: A Systematic Review of Dermatological Applications
2. The effect of oral collagen peptide supplementation on skin moisture and the dermal collagen network: evidence from an ex vivo model and randomized, placebo-controlled clinical trials