Oleyl Betaine
AKA “N-(carboxymethyl)-N, inner salt, RefChem:108063, DTXCID9048562”
Synthetic
Ingredient Facts
Oleyl betaine
AKA: N-(carboxymethyl)-N, Inner salt, RefChem:108063, DTXCID9048562
Synthetic · Cleansing · EWG: 4
Synthetic
Cleanser
Skin Conditioner
Hair Care
Synthetic
Clean
A gentle cleanser that removes dirt and oil while conditioning hair and skin. It creates a light lather and helps reduce frizz and static.
Formula
C22H43NO2
Mol. Weight
353.60
CAS #
871-37-4
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
Locks in moisture
Traditional Use
Developed in the late 20th century as a mild synthetic surfactant derived from oleyl alcohol and betaine. Designed to replace harsher surfactants in personal care products while mimicking properties of natural amphoteric compounds.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR