Sesamidopropyl Betaine
AKA “Sesame Seed Betaine”
Surfactant
Ingredient Facts
Sesamidopropyl betaine
AKA: Sesame Seed Betaine
Surfactant · Cleansing · EWG: 4
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
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
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
Verified Jun 2026
Data: CosIng · EWG · CIR