Diphenylsiloxy Phenyl/Propyl Trimethicone
molecular structure · PubChem
AKA: Phenyl Silicone
Synthetic
Emollient
Skin Conditioner
Hair Care
Silicone
Not Clean
Diphenylsiloxy Phenyl/Propyl Trimethicone is a cosmetic ingredient used as hair conditioning, skin conditioning - emollient. Assessed as safe by the CIR.
CAS #
-
Form
Liquid
Functions
Hair 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
Traditional Use
A hybrid silicone polymer developed for cosmetics in the late 20th century. Created to combine the benefits of phenyl and propyl substitution for superior spreadability and a lighter feel on skin.
Skin Types
●all-skin-types
Best For
Dryness
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