Peptan

Efficacy

Outcome				Grade		Effect		Evidence		Studies
Skin Hydration				B		🠩🠩 Notable		★★★ Fair		1 study 33 participants
Skin Barrier Function				E		– No Effect		★★★ Fair		1 study 33 participants

Mechanisms

Outcome				Grade		Effect		Evidence		Studies
Collagen				B		🠩 Slight		★★★ Fair		1 study 99 participants
Glycosaminoglycans				D		🠩 Slight		★ Basic		1 study

Latest Research

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 (2015)