Cetyl PEG/PPG-15/15 Butyl Ether Dimethicone
AKA “PEG/PPG dimethicone copolymer, Silicone surfactant
Synthetic
Ingredient Facts
Cetyl peg/ppg-15/15 butyl ether dimethicone
AKA: PEG/PPG dimethicone copolymer, Silicone surfactant
Synthetic · Cleansing · EWG: 2
Synthetic
Cleanser
Emulsifier
Skin Conditioner
Silicone
Synthetic
Clean
Cetyl Peg/Ppg-15/15 Butyl Ether Dimethicone is the copolymer of Cetyl Dimethicone and a butyl ether of a derivative of Dimethicone containing an average of 15 moles of ethylene oxide and 15 moles of propylene oxide Science: Functions: Skin Conditioning, Surfactant - Cleansing, Surfactant - Emulsifying Safety Ratings: CIR: Safe as used
Form
Liquid
See origin →
Functions
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.
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
A synthetic silicone polymer developed for cosmetics in the late 20th century to provide water resistance and silky skin feel. Designed to improve the stability and sensory properties of skincare and color cosmetic products.
Skin Types
all-skin-types, gentle
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-2
medical-approval
pregnancy-nursing-safe
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR