Dipalmitoyl Hydroxyproline is a lipophilic amino acid derivative (a hydroxyproline ester) used in cosmetics for its antioxidant properties and to support collagen and improve skin firmness and elasticity. It is often incorporated into anti-aging and firming formulations.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation or redness | Rare | Generally well tolerated; transient irritation possible in sensitive individuals. |
Contact allergy / sensitization | Very rare | Isolated potential for allergic response, as with most cosmetic ingredients. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.