TARTARIC ACID
AKA: AHA Fruit Acid
Plant-Derived Synthetic
Fragrance
Chemical Exfoliant
Acid
Not Clean
2,3-Dihydroxybutanedioic acid
CAS #
133-37-9 / 147-71-7 / 87-69-4
Form
Liquid
Functions
BUFFERING
FRAGRANCE
Added for scent. Can be natural or synthetic. Common irritant and allergen — one of the top reasons people react to products.
Traditional Use
Occurs naturally in grapes and tamarinds, known since ancient times. First isolated in pure form in the 17th century; its use in skincare as an exfoliating alpha hydroxy acid became popular in the 1990s after scientific studies on chemical peels.
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng