murphyTrifluoropropyldimethyl/trimethylsiloxysilicate
molecular structure · PubChem
AKA: Fluorosilicone Silicate, Silicone Silicate
Synthetic
Emollient
Skin Conditioner
Not Clean
OriginDerived from silicone compounds and fluorinated hydrocarbon chemistry, belonging to the organosilicate polymer family. Synthesized through condensation reactions between siloxane precursors and fluorinated alkyl silanes.
Trifluoropropyldimethyl/Trimehtylsiloxysilicate
CAS #
68611-44-9; 1015787-46-8; 211811-62-0; 68909-20-6; 112153-70-5; 112153-71-6; 1123693-37-7; 70536-25-3; 371755-66-7; 1158846-14-0
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Binding
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
10
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
3 studies / 3 not irritating (CIR 584)
Not an Eye Irritant
1 study / 1 not irritating (CIR 584)
Mixed Sensitization Results
2 studies / 1 sensitizing / 1 not sensitizing / reactions weak (CIR 584)
Concentration Guide
Leave-on2–20%
Rinse-offNot reported
0%50%100%
CIR reported use · 2010 survey
Regulatory Agencies
🧂Conflict of interest.
Verified Jun 2026 · 🧪 = conflict
Data: CosIng · EWG · CIR