PEG-10 Glyceryl Diisostearate
AKA “Polyethylene glycol glyceryl diisostearate, Emollient ester
Synthetic
Ingredient Facts
Peg-10 glyceryl diisostearate
AKA: Polyethylene glycol glyceryl diisostearate, Emollient ester
Synthetic · Cleansing · EWG: 4
Plant-Derived Synthetic
Cleanser
Emulsifier
Synthetic
Clean
Science: Origin: Botanic/Natural | Process: Ethoxylation | Functions: Surfactant - Cleansing, Surfactant - Emulsifying Safety Ratings: CIR: Safe as used
CAS #
-
See origin →
Functions
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.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
A synthetic emulsifier combining PEG, glycerin (historically used as a humectant since ancient times), and fatty acid derivatives. Created to improve stability and sensory properties of modern cosmetic emulsions.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USApermitted
CANADApermitted
Regulatory Agencies
Verified Feb 2026
Data: CosIng · EWG · CIR