Cetyl PEG/PPG-7/3 Dimethicone

Cetyl PEG/PPG-7/3 Dimethicone molecular structure
molecular structure · PubChem
AKA: Cetyl Dimethicone Copolymer, Silicone Emulsifier
Synthetic
Cleanser
Emulsifier
Silicone
Not Clean
OriginSynthesized from dimethicone, cetyl alcohol, ethylene oxide, and propylene oxide through chemical coupling reactions. Produced by sequential ethoxylation and propoxylation of cetyl dimethicone via catalytic addition.
Cetyl PEG/PPG-7/3 Dimethicone is a copolymer of Cetyl Dimethicone and an alkoxylated derivative of Dimethicone containing an average of 7 moles of ethylene oxide and 3 moles of propylene oxide
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
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.
Surfactant Cleansing
Surfactant Emulsifying
Anti-Inflammatory
Moisturizing
Boosts Collagen
Lifts away dirt and oil
Mixes oil and water
Keeps product blended
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2014
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR