Asserin J, Lati E, Shioya T, Prawitt J. The influence of oral collagen peptide supplementation on skin humidity and the dermal collagen community: proof from an ex vivo model and randomized, placebo‐controlled scientific trials. J Cosmet Dermatol Obtaining both of these key proteins from the skin will maintain our skin https://cashqdltb.wikipublicity.com/6199557/a_review_of_peptide_sciences