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Stearamine Oxide
AKA “Dimethylstearylamine oxide, 1-Octadecanamine, N, N-dimethyl-, N-oxide, Octadecyldimethylamine oxide, N-Dimethyloctadecylamine N-oxide, STEARYLDIMETHYLAMINE OXIDE, UNII-241Y7MZO9U, N-Dimethyl-1-octadecanamine-N-oxide, 241Y7MZO9U, INCROMINE OXIDE S”
Surfactant
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Ingredient Facts
Stearamine oxide
AKA: Dimethylstearylamine oxide, 1-Octadecanamine, N-dimethyl-, N-oxide, Octadecyldimethylamine oxide, N-Dimethyloctadecylamine N-oxide, STEARYLDIMETHYLAMINE OXIDE, UNII-241Y7MZO9U, N-Dimethyl-1-octadecanamine-N-oxide, 241Y7MZO9U, INCROMINE OXIDE S
Surfactant · Cleansing · EWG: 1
Plant-Derived
Cleanser
Skin Conditioner
Hair Care
Plant Oil
Clean
N,N-Dimethyloctadecylamine N-oxide
Formula
C20H43NO
Mol. Weight
313.60
CAS #
2571-88-2
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.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Foam Boosting
Hydrotrope
Reduces Static
Removes Impurities
Conditions Hair
Cleansing Surfactant
Traditional Use
Developed as an oxidized derivative of stearamine in the mid-20th century for use as a mild surfactant and foam booster in personal care products.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
1
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR