Coco-Betaine
AKA “Coconut betaine, Cocamidopropyl betaine, Coconut acid betaine”
Surfactant
Ingredient Facts
Coco-Betaine
AKA: Coconut betaine, Cocamidopropyl betaine, Coconut acid betaine
Surfactant · Cleansing · EWG: 1
Synthetic
Cleanser
Skin Conditioner
Hair Care
Plant Oil
Clean
Betaines, coco alkyldimethyl
CAS #
68424-94-2
Form
Liquid
See origin →
Functions
Antistatic
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Foam Boosting
Viscosity Controlling
Locks in moisture
Traditional Use
A modern amphoteric surfactant synthesized from coconut oil fatty acids, developed as a gentler alternative to traditional detergents for use in cleansing and conditioning formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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Contact allergy related to TEA-PEG-3 cocamide sulfate and cocamidopropyl betaine in a shampoo.
Andersen KE, Roed-Petersen J, Kamp P
Contact dermatitis, 1984
Contact allergy related to TEA-PEG-3 cocamide sulfate and cocamidopropyl betaine in a shampoo.
Andersen KE, Roed-Petersen J, Kamp P
Contact dermatitis, 1984
Final Report of the Cosmetic Ingredient Review Expert Panel on the Safety Assessment of Cocamidopropyl Betaine (CAPB)
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Cocamidopropyl Betaine
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Cocamidopropyl Betaine
European Commission
EU Cosmetic Ingredient Database (CosIng)
Coco-Betaine
European Commission
EU Cosmetic Ingredient Database (CosIng)
Cocamidopropyl Betaine
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Coco-Betaine
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Safety assessment of cocamidopropyl betaine, a cosmetic ingredient.
Kim D, Seok JK, Kim M, Choi S, Hong J et al.
Toxicological research, 2024
Occupational contact allergy to cocamidopropyl betaine and its impurities.
Suuronen K, Pesonen M, Aalto-Korte K
Contact dermatitis, 2012
Verified Jun 2026
Data: CosIng · EWG · CIR