Polycaprylylsilsesquioxane
molecular structure · PubChem
AKA: Silicone Resin
Synthetic
Not Clean
OriginDerived from plant-based fatty acids, typically sourced from coconut or palm kernel oils. Synthesized through silicone cross-linking and polymerization of the fatty acid derivatives with siloxane compounds.
Polycaprylylsilsesquioxane
CAS #
-
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Not Reported
Provides lightweight silky texture
Creates smooth skin feel
Helps product spread evenly
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
murphy