Bis-PEG/PPG-18/6 Dimethicone
AKA: Silicone Copolymer, Polyol Silicone
Synthetic
Emollient
Cleanser
Emulsifier
Skin Conditioner
Silicone
Not Clean
Bis-PEG/PPG-18/6 Dimethicone is Dimethicone end-blocked with the 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.
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 modern silicone copolymer developed for cosmetics in the late 1900s. Designed to improve skin feel and provide conditioning benefits while maintaining a light, non-greasy texture in skincare products.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
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