PEG/PPG-18/6 Dimethicone
AKA: Silicone Glycol Copolymer, Dimethicone Copolyol
Synthetic
Emollient
Skin Conditioner
Silicone
Not Clean
PEG/PPG-18/6 Dimethicone is alkoxylated derivative of Dimethicone containing a random addition of an average of 18 moles of ethylene oxide and 6 moles of propylene oxide
CAS #
-
Form
Liquid
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
A modern silicone copolymer developed for cosmetics in the late 20th century. Designed to function as an emulsifier and skin conditioning agent that improves product texture and wear.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR