murphyBis-Isobutyl PEG/PPG-10/7/Dimethicone Copolymer
molecular structure · PubChem
AKA: Silicone Copolymer, Silicone Blend
Synthetic
Cleanser
Emulsifier
Silicone
Not Clean
OriginSynthesized from polyethylene glycol (PEG), polypropylene glycol (PPG), and dimethicone polymer building blocks. Produced through condensation polymerization reactions linking these components into a copolymer chain.
Bis-Isobutyl PEG/PPG-10/7/Dimethicone Copolymer is a random copolymer of polyethylene glycol, polypropylene glycol and Dimethicone containing an average of 10 moles of ethylene oxide and 7 moles of propylene oxide
CAS #
158451-77-5
Form
Liquid
State
Solid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
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.
Cleansing Surfactant
Emulsifier
Removes Impurities
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
Restricted By
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2014
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR