# PHENYL TRIMETHICONE

URL: https://app.greenveil.ai/ingredients/ingredient_inci_phenyl_trimethicone
Categories: beauty, cleaning, industrial
Functions: Occlusive, Hair conditioning, Antifoaming, Binding, Film forming, Opacifying
Identifier: DTXSID40103261

> PHENYL TRIMETHICONE: Used in cosmetics as an occlusive, a hair conditioner and an antifoaming agent. Phenyl Trimethicone is the siloxane polymer. EPA CPDat observed this chemical in 25 composition records across product categories including Personal care, Raw materials. Compiled from 2 published data sources.

## Safety assessment

- Chemical concern: not yet assessed
- Is it a concern? We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
- Rationale: EPA CPDat observed this chemical in 25 composition records across product categories including Personal care, Raw materials.

## Regulatory status

- EU: Active — Phenyl Trimethicone is the siloxane polymer that conforms generally to the formula
- EU: Active — Polyphenylsilsesquioxane is a polymeric silicone resin that conforms generally to the formula, where R is a phenyl group.
- US: commercial use observed — EPA CPDat observed this chemical in 25 composition records across product categories including Personal care, Raw materials.

## Expert safety opinions

- SCCS (EU Scientific Committee on Consumer Safety): no opinion on file.
- CIR (Cosmetic Ingredient Review (US expert panel)): no opinion on file.

## Data sources

- CosIng (updated 2026-09-23): https://ec.europa.eu/growth/tools-databases/cosing/details/79701
- EPA Chemical and Products Database (updated July 2018): http://siri.org/msds/f1/bwz/bwzcp.html

_Assessed by Greenveil._