Behenamidopropyl Betaine

Behenamidopropyl Betaine 1
Behenamidopropyl Betaine 2
AKA: Behenamidopropyl betaine [INCI], 138527-93-2
Synthetic
Cleanser
Plant Oil
Not Clean
1-Propanaminium, N-carboxymethyl-N,N-dimethyl-3-[(1-oxodocosanyl)amino]-, hydroxide, inner salt
Formula
C29H58N2O3
Mol. Weight
482.80
CAS #
138527-93-2
Form
Liquid
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
Removes Impurities
Cleansing Surfactant
Boosts Lather
Removes dirt and impurities
Enhances lather
Lifts away dirt and oil
Traditional Use
A modern synthetic surfactant and conditioning agent developed for cosmetics in the late 20th century. Created to provide both cleansing and conditioning properties in gentler formulations.
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
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR