Stearamidopropyl Dimethylamine

Stearamidopropyl Dimethylamine 1
AKA: 7651-02-7, N-[3-(Dimethylamino)propyl]octadecanamide, Octadecanamide, Incromine sd, Dimethylaminopropyl stearamide, Mackine 301, JEECHEM S-13
Plant-Derived
Cleanser
Emulsifier
Skin Conditioner
Hair Care
Plant Oil
Not Clean
N-[3-(Dimethylamino)propyl]stearamide
Formula
C23H48N2O
Mol. Weight
368.60
CAS #
7651-02-7
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.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Surfactant Cleansing
Surfactant Emulsifying
Improves Elasticity
Lifts away dirt and oil
Reduces flyaways
Softens and detangles hair
Mixes oil and water
Traditional Use
Created in the mid-20th century as a synthetic cationic conditioning agent derived from stearic acid and silicone technology to improve hair manageability and static reduction.
EWG
6
CIR
Safe as used
Pregnancy
Caution
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
Caution
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR