Peanut Acid
AKA “Arachidic Acid, Arachis Hypogaea Acid”
Acid
Ingredient Facts
Peanut acid
AKA: Arachidic Acid, Arachis Hypogaea Acid
Acid · Cleansing · EWG: 4
Plant-Derived Synthetic
Cleanser
Acid
Not Clean
Fatty acids, peanut (Arachis hypogaea) oil
CAS #
91051-35-3
Form
Liquid
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Removes Impurities
Locks In Moisture
Traditional Use
Peanut acid is a fatty acid derived from peanut oil that has been used historically in traditional skincare for its emollient properties. Modern cosmetics use it as a skin-conditioning and texture-modifying ingredient.
Skin Types
●all-skin-types
Best For
Rough Texture
Pregnancy & Breastfeeding Safe
Yes
Final report on the safety assessment of Peanut (Arachis hypogaea) Oil, Hydrogenated Peanut Oil, Peanut Acid, Peanut Glycerides, and Peanut (Arachis h
International journal of toxicology, 2001
Final report on the safety assessment of Peanut (Arachis hypogaea) Oil, Hydrogenated Peanut Oil, Peanut Acid, Peanut Glycerides, and Peanut (Arachis h
International journal of toxicology, 2001
Final report on the safety assessment of Peanut (Arachis hypogaea) Oil, Hydrogenated Peanut Oil, Peanut Acid, Peanut Glycerides, and Peanut (Arachis h
International journal of toxicology, 2001
Final report on the safety assessment of Peanut (Arachis hypogaea) Oil, Hydrogenated Peanut Oil, Peanut Acid, Peanut Glycerides, and Peanut (Arachis h
International journal of toxicology, 2001
Peanut Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Arachidic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: CosIng · EWG · CIR