Cocamidopropyl Betaine

AKA: ● N-(CARBOXYMETHYL)-N, N-DIMETHYLGLYCINATE, HYDROXIDE, (CARBOXYMETHYL)(3-COCOAMIDOPROPYL)DIMETHYL, HYDROXIDES
Synthetic
Cleanser
Skin Conditioner
Hair Care
Not Clean
OriginDerived from coconut oil or palm kernel oil through extraction of fatty acids and their derivatives. Synthesized by reacting the fatty acid derivatives with dimethylaminopropylamine and then quaternizing with sodium chloroacetate.
Restricted:EWG VERIFIED products cannot contain this ingredient without adequate substantiation.
CAS #
61789-40-0
Form
Powder
Skin Types
●all-skin-types
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.
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
Reduces Static
Removes Impurities
Boosts Lather
Conditions Hair
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
5
CIR
Safe as used
Pregnancy
—
CIR Safety Findings
Not Phototoxic
Human test found no phototoxicity in the CIR safety assessment (CIR 121 and 518)
Mixed Eye Irritation Results
15 studies / 13 irritating / 1 mixed / 1 not irritating / reactions minimal to corrosive (CIR 121 and 518)
Mixed Skin Irritation Results
15 studies / 7 irritating / 3 mixed / 5 not irritating / reactions slight to moderate / plus 2 case reports (CIR 121 and 518)
Mixed Sensitization Results
12 studies / 2 sensitizing / 10 not sensitizing / plus 12 case reports (CIR 121 and 518)
Concentration Guide
Leave-on0.2–6%
Rinse-off0.005–11%
0%50%100%
CIR reported use · 2010 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
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