Dimethyl Stearamine

AKA: 124-28-7, Dymanthine, N-Dimethyloctadecylamine, N-Dimethyl-n-octadecylamine, Dimethyloctadecylamine, N-Dimethyl-1-octadecanamine, Octadecyldimethylamine, 1-Octadecanamine, Stearyldimethylamine, Octadecylamine
Plant-Derived
Cleanser
Emulsifier
Skin Conditioner
Hair Care
Not Clean
OriginDerived from stearic acid, a saturated fatty acid typically sourced from animal or vegetable fats. Synthesized through amination of stearic acid with dimethylamine under controlled chemical conditions.
1-Octadecanamine, N,N-dimethyl-
Formula
C20H43N
Mol. Weight
297.60
CAS #
124-28-7
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Antistatic
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Reduces Static
Conditions Hair
Emulsifier
Reduces Inflammation
Brightens Skin
Locks In Moisture
Reduces flyaways
Softens and detangles hair
Mixes oil and water
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
2 studies / 2 not sensitizing (CIR 553)
Mixed Eye Irritation Results
1 study / 1 mixed / reactions slight (CIR 553)
Mixed Skin Irritation Results
2 studies / 1 mixed / 1 not irritating (CIR 553)
Regulatory Status
USA✔ permitted
EU✔ permitted
JAPAN✔ permitted
CANADA✔ permitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR