Tartaric acid (Aha Fruit Acid)
AKA “AHA Fruit Acid”
Acid
Ingredient Facts
Tartaric acid (Aha Fruit Acid)
Acid · Buffering · EWG: 4
Plant-Derived
Chemical Exfoliant
Acid
Not Clean
Tartaric Acid [AHA Fruit Acid] is a cosmetic ingredient used as buffering, masking.
Plant Part
Fruit
CAS #
133-37-9 / 147-71-7 / 87-69-4
Form
Liquid
See origin →
Functions
Buffering
Masking
Antioxidant
Anti-Inflammatory
Antimicrobial
Provides scent
Maintains optimal pH
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.
Skin Types
●all-skin-types
Best For
Uneven Texture
Pregnancy & Breastfeeding Safe
Caution
Tartaric Acid [AHA Fruit Acid]
European Commission
EU Cosmetic Ingredient Database (CosIng)
The effects of L-tartaric acid on diabetic cataracts thro...
Shengyu Wang, Li Meng, Hengmin Yang
BMC ophthalmology, 2025
The effects of L-tartaric acid on diabetic cataracts thro...
Shengyu Wang, Li Meng, Hengmin Yang
BMC ophthalmology, 2025
Verified Jun 2026
Data: CosIng · EWG · CIR