Tartaric acid is a naturally occurring alpha-hydroxy acid (AHA) derived from grapes that promotes mild chemical exfoliation and helps buffer formulation pH. It is used to improve skin texture and tone, and can enhance the stability and absorption of other ingredients.
| Reported effect | How often | Notes |
|---|---|---|
Skin irritation, stinging or burning | Common | More likely at higher concentrations or low pH, especially on sensitive skin. |
Erythema (redness) | Common | Transient redness following application, typically resolving shortly after use. |
Dryness and peeling | Uncommon | Result of exfoliation, more frequent with repeated or high-strength use. |
Increased photosensitivity | Uncommon | AHAs can heighten UV sensitivity; daily sunscreen is advised. |
Allergic contact dermatitis | Rare | Hypersensitivity reactions are infrequently reported. |
Chemical burn | Very rare | Associated with misuse, very high concentrations, or prolonged contact. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.