exfoliant · ph-adjuster · antioxidant
Tartaric Acid
Watch if sensitive·Moderate evidence
A naturally occurring alpha-hydroxy acid (AHA) from grapes, used for gentle exfoliation and pH adjustment. At exfoliating concentrations and low pH, it can irritate sensitive skin. More research exists on glycolic and lactic acids; use with caution if you react to other AHAs.
References
Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.