Cottonseed Acid
AKA “Cottonseed fatty acid”
Acid
Ingredient Facts
Cottonseed acid
AKA: Cottonseed fatty acid
Acid · Emollient · EWG: 4
Plant-Derived
Emollient
Cleanser
Skin Conditioner
Acid
Not Clean
Fatty acids, cottonseed-oil
Family
Malvaceae (Mallow family)
Plant Part
Seed
CAS #
68308-51-0
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.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Locks In Moisture
Traditional Use
Derived from cottonseed oil processing in the early-to-mid 20th century, used as an emulsifying and conditioning agent in cosmetic formulations.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Final report on the safety assessment of Hydrogenated Cottonseed Oil, Cottonseed (Gossypium) Oil, Cottonseed Acid, Cottonseed Glyceride, and Hydrogena
International journal of toxicology, 2001
Final report on the safety assessment of Hydrogenated Cottonseed Oil, Cottonseed (Gossypium) Oil, Cottonseed Acid, Cottonseed Glyceride, and Hydrogena
International journal of toxicology, 2001
Final report on the safety assessment of Hydrogenated Cottonseed Oil, Cottonseed (Gossypium) Oil, Cottonseed Acid, Cottonseed Glyceride, and Hydrogena
International journal of toxicology, 2001
Final Report on the Safety Assessment of Hydrogenated Cottonseed Oil, Cottonseed (Gossypium) Oil, Cottonseed Acid, Cottonseed Glyceride, and Hydrogenated Cottonseed Glyceride
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Cottonseed Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Verified Jun 2026
Data: CosIng · EWG · CIR