PEG/PPG-8/26 Dimethicone
AKA “Silicone copolymer, Modified silicone”
Surfactant
Ingredient Facts
Peg/ppg-8/26 dimethicone
AKA: Silicone copolymer, Modified silicone
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Skin Conditioner
Silicone
Not Clean
Siloxanes and silicones, dimethyl, 3-hydroxypropyl methyl, ethoxylated, propoxylated (8 mol EO, 26 mol PO average molar ratio)
CAS #
-
Form
Liquid
See origin →
Functions
Antifoaming
Plasticiser
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Locks in moisture
Traditional Use
Synthetic emollient polymer developed in the late 20th century for cosmetic use. Created to provide conditioning benefits, water resistance, and improved texture in skincare and makeup formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR