Dimethyl Stearamine
AKA “Dymanthine, N-Dimethyloctadecylamine, N-Dimethyl-n-octadecylamine, Dimethyloctadecylamine, N-Dimethyl-1-octadecanamine, Octadecyldimethylamine, 1-Octadecanamine, Stearyldimethylamine
Synthetic
Ingredient Facts
Dimethyl stearamine
AKA: Dymanthine, N-Dimethyloctadecylamine, N-Dimethyl-n-octadecylamine, Dimethyloctadecylamine, N-Dimethyl-1-octadecanamine, Octadecyldimethylamine, 1-Octadecanamine, Stearyldimethylamine
Synthetic · Antistatic · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Skin Conditioner
Hair Care
Synthetic
Clean
A conditioning agent that smooths hair, reduces frizz and static, and helps blend ingredients evenly throughout the formula for a silky texture.
Formula
C20H43N
Mol. Weight
297.60
CAS #
124-28-7
Form
Liquid
See origin →
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
Traditional Use
A synthetic conditioning agent derived from stearic acid (found in animal and plant fats), created for use in cosmetics to provide emolliency, anti-static properties, and improved texture.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USAunder review
EUpermitted
JAPANpermitted
CANADApermitted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR