PEG/PPG-15/5 Dimethicone

PEG/PPG-15/5 Dimethicone molecular structure
molecular structure · PubChem
AKA: Silicone Glycol Copolymer, Dimethicone Copolyol
Synthetic
Cleanser
Emulsifier
Silicone
Not Clean
OriginDerived from dimethicone, a silicone polymer, combined with ethylene oxide and propylene oxide starting materials. Synthesized through ethoxylation and propoxylation reactions that attach polyether chains to the dimethicone backbone.
PEG/PPG-15/5 Dimethicone is the alkoxylated derivative of Dimethicone containing an average of 15 moles of ethylene oxide and 5 moles of propylene oxide
CAS #
-
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Mixes Oil & Water
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
CANADA✔ permitted
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR