PEG-50 Stearamine
AKA “Polyethylene Glycol 50 Stearamine, PEG-50 Stearyl Amine
Synthetic
Ingredient Facts
Peg-50 stearamine
AKA: Polyethylene Glycol 50 Stearamine, PEG-50 Stearyl Amine
Synthetic · Cleansing · EWG: 4
Plant-Derived Synthetic
Cleanser
Emulsifier
Plant Oil
Synthetic
Not Clean
Helps cleanse and soften hair by removing buildup while reducing static and frizz. Keeps formulas smooth and blended.
CAS #
9003-93-4
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.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Reduces Static
Cleansing Surfactant
Emulsifier
Lifts away dirt and oil
Reduces flyaways
Mixes oil and water
Traditional Use
A synthetic surfactant combining polyethylene glycol with stearamine derived from stearic acid. Created in the 20th century to improve emulsification and conditioning in cosmetic formulations.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR