PPG-30 Steareth-4
AKA “Polypropylene Glycol-30 Steareth-4, PPG Emulsifier”
Surfactant
Ingredient Facts
Ppg-30 steareth-4
AKA: Polypropylene Glycol-30 Steareth-4, PPG Emulsifier
Surfactant · Emollient · EWG: 4
Plant-Derived
Emollient
Cleanser
Emulsifier
Skin Conditioner
Plant Oil
Not Clean
Oxirane, methyl-, polymer with oxirane, stearyl ether (4 mol EO; 30 mol PO average molar ratios)
CAS #
9038-43-1
See origin →
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks In Moisture
Traditional Use
Modern synthetic emulsifier created from stearic acid derivatives and propylene glycol polymers. Designed for stabilizing oil-in-water cosmetic formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR