Coconut Acid
AKA “Coconut Fatty Acid, Coconut Oil Acid, Coconut Free Fatty Acid
Acid
Ingredient Facts
Coconut acid
AKA: Coconut Fatty Acid, Coconut Oil Acid, Coconut Free Fatty Acid
Acid · Emollient · EWG: 4
Plant-Derived Synthetic
Emollient
Cleanser
Emulsifier
Skin Conditioner
Plant Oil
Acid
Not Clean
Fatty acids, coco
CAS #
61788-47-4
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.
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
Fatty acids extracted from coconut oil used historically in soap-making since the 19th century, and later developed as an ingredient in modern skincare formulations for its emollient properties.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Coconut)
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Occupational allergic contact dermatitis caused by coconut fatty acids diethanolamide.
Aalto-Korte K, Pesonen M, Kuuliala O, Suuronen K
Contact dermatitis, 2014
Occupational allergic contact dermatitis caused by coconut fatty acids diethanolamide.
Aalto-Korte K, Pesonen M, Kuuliala O, Suuronen K
Contact dermatitis, 2014
Occupational allergic contact dermatitis caused by coconut fatty acids diethanolamide.
Aalto-Korte K, Pesonen M, Kuuliala O, Suuronen K
Contact dermatitis, 2014
Final Report on the Safety Assessment of Coconut Oil, Coconut Acid, Hydrogenated Coconut Acid, and Hydrogenated Coconut Oil
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Coconut Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrogenated Coconut Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrogenated Coconut Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: CosIng · EWG · CIR