murphyMethoxy PEG-11 Methoxy PPG-24 Dimethicone
molecular structure · PubChem
AKA: Silicone Surfactant
Synthetic
Silicone
Not Clean
OriginSynthesized from polydimethylsiloxane (silicone) polymer chains modified with polyethylene glycol and polypropylene glycol units. Produced through sequential chemical coupling and polymerization reactions to create the hybrid silicone-polyether polymer structure.
Methoxy PEG-11 Methoxy PPG-24 Dimethicone is the methyl ether of an alkoxylated derivative of dimethicone containing an average of 11 moles of ethylene oxide and 24 moles propylene
CAS #
472975-82-9
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Antifoaming
Prevents Foam Buildup
Anti-Aging Benefits
Antioxidant Protection
Reduces Inflammation
Reduces foam
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
0%50%100%
Reg. limit 30%
CIR lists it as not reported to be in use.
CIR · report published 2014
FDA OTC limit: 30% (Skin Protectant). Source: FDA OTC Monograph, 21 CFR 347.10.
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR