Corn Acid
AKA “Corn Oil Fatty Acid”
Acid
Ingredient Facts
Corn acid
AKA: Corn Oil Fatty Acid
Acid · Emollient · EWG: 4
Plant-Derived Synthetic
Emollient
Cleanser
Emulsifier
Skin Conditioner
Acid
Not Clean
Fatty acids, corn-oil
CAS #
68308-50-9
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.
Opacifying
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.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks In Moisture
Traditional Use
Developed as a modern skincare ingredient derived from corn fermentation to provide gentle exfoliation and pH balancing. Part of 20th-century cosmetic chemistry innovations building on historical use of grain-based skincare acids.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Verified Jun 2026
Data: CosIng · EWG · CIR