PEG-50 Stearamide
AKA “Polyethylene Glycol 50 Stearamide, PEG-50 Stearic Amide
Synthetic
Ingredient Facts
Peg-50 stearamide
AKA: Polyethylene Glycol 50 Stearamide, PEG-50 Stearic Amide
Synthetic · Emulsifying · EWG: 4
Plant-Derived Synthetic
Cleanser
Emulsifier
Skin Conditioner
Synthetic
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-hydroxy-.omega.-[(1-oxooctadecyl)amino]- (50 mol EO average molar ratio) Science: Origin: Botanic/Natural | Process: Ethoxylation | Functions: Surfactant - Emulsifying Safety Ratings: CIR: Safe as used
Form
Liquid
See origin →
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Viscosity Controlling
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emulsifier
Mixes Oil & Water
Traditional Use
A synthetic conditioning agent created by combining polyethylene glycol with stearic acid-derived amides. Developed to provide enhanced conditioning and emulsifying properties in contemporary cosmetics and personal care products.
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
Concentration Guide
Dermal absorption: 100%. Source: CIR Safety Assessment (CIR Seq 772).
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR