Methoxy PEG-11 Methoxy PPG-24 Dimethicone
AKA: Silicone Surfactant
Synthetic
Silicone
Not Clean
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
Functions
Antifoaming
Prevents Foam Buildup
Anti-Aging Benefits
Antioxidant Protection
Reduces Inflammation
Reduces foam
Traditional Use
A modern silicone-based polymer developed in the mid-20th century for cosmetic use. Created to provide lightweight, water-resistant skin conditioning and film-forming properties without the heaviness of traditional oils.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
30%
0%42%
Reg. Limit
FDA OTC limit: 30% (Skin Protectant). Source: FDA OTC Monograph, 21 CFR 347.10.
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