Ascorbic Acid Polypeptide is a peptide-conjugated derivative of vitamin C designed to improve stability and skin penetration. It functions as an antioxidant that may support collagen synthesis and help brighten skin tone and reduce hyperpigmentation.
| Reported effect | How often | Notes |
|---|---|---|
Mild transient stinging or tingling | Uncommon | Usually brief, occurring on application, especially on sensitive or compromised skin. |
Erythema (redness) | Uncommon | Temporary localized redness that typically resolves shortly after use. |
Dryness or mild irritation | Rare | More likely at higher concentrations or with frequent application. |
Allergic contact dermatitis | Rare | Sensitization to the ingredient or co-formulants; patch testing advised for reactive skin. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.