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Oatamidopropyl Betaine
AKA “Oat amidopropyl betaine, Oat fatty acid amidopropyl betaine”
Surfactant
Ingredient Facts
Oatamidopropyl betaine
AKA: Oat amidopropyl betaine, Oat fatty acid amidopropyl betaine
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Not Clean
1-Propanaminium, 3-(oat-acyl)amino-N-carboxymethyl-N,N-dimethyl-, inner salt,
CAS #
61789-40-0
Form
Liquid
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
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
Removes Impurities
Cleansing Surfactant
Boosts Lather
Controls Viscosity
Removes dirt and impurities
Enhances lather
Lifts away dirt and oil
Controls product thickness
Traditional Use
Modern synthetic ingredient derived from oat proteins and betaine chemistry. Developed as a gentle, naturally-derived surfactant and conditioning agent for shampoos and body cleansers.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR