Bis-PEG/PPG-18/6 Dimethicone

Bis-PEG/PPG-18/6 Dimethicone molecular structure
molecular structure · PubChem
AKA: Silicone Copolymer, Polyol Silicone
Synthetic
Emollient
Cleanser
Emulsifier
Skin Conditioner
Silicone
Not Clean
OriginDerived from dimethicone, a silicone polymer, modified with polyethylene glycol and polypropylene glycol chains. Synthesized through the addition of ethylene oxide and propylene oxide to dimethicone end-blocks via ether linkage.
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
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
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