PEG-15 Stearamine
molecular structure · PubChem
AKA: Stearamine Derivative
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Not Clean
Octadecanamine, ethoxylated (15 mol EO average molar ratio)
CAS #
9003-93-4
Functions
Antistatic
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Reduces Static
Emulsifier
Reduces flyaways
Mixes oil and water
Traditional Use
A modern synthetic surfactant developed in the 20th century from stearic acid and polyethylene glycol. Designed as an emulsifier and conditioning agent to improve water-oil integration in cosmetics.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR