emollient
Phenyl Trimethicone
Commonly feared, low concern·Moderate evidence
A silicone with phenyl groups that provides conditioning and a refined feel in foundations and color cosmetics. It is inert and well tolerated across skin types.
The myth vs the evidence
Like other silicones, it is subject to fears about pore-clogging or breathability. Phenyl trimethicone is inert, non-comedogenic, and allows water vapor transmission through the skin.
Products with Phenyl Trimethicone
References
Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.