It plays a role in strengthening skin, plus may benefit elasticity and hydration. As you age, your body produces less collagen, leading to dry skin and the formation of wrinkles.
However, several studies have shown that collagen peptides or supplements containing collagen may help delay the aging of your skin by reducing wrinkles and dryness.
In one study, women who took a supplement containing 3–6 grams of collagen for 8 weeks experienced less skin dryness and a significant increase in skin elasticity compared with those who did not take the supplement.
Another examination found that women who drank a beverage mixed with a collagen supplement daily for 12 weeks experienced increased skin hydration and a significant decrease in wrinkle depth compared with a control group