Sesamidopropyl Betaine
AKA: Sesame Seed Betaine
Synthetic
Cleanser
Skin Conditioner
Hair Care
Not Clean
1-Propanaminium, N-carboxymethyl-N,N-dimethyl-3-amino-, N-sesame-oil acyl derivs., hydroxides, inner salts
CAS #
61789-40-0
Form
Liquid
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
Synthetic gentle surfactant derived from sesame oil, developed for use in mild cleansing formulations as a contemporary alternative to traditional soap-based cleansers.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR