# TRIMETHYLPENTYL TRISILOXANE

URL: https://app.greenveil.ai/ingredients/ingredient_inci_trimethylpentyl_trisiloxane
Categories: beauty
Functions: Solvent
Identifier: TRIMETHYLPENTYL TRISILOXANE

> TRIMETHYLPENTYL TRISILOXANE: Used in cosmetics as a solvent. Trimethylpentyl Trisiloxane is the siloxane. Canonical ingredient record built from 1 public-source records. Compiled from 1 published data source.

## 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: Canonical ingredient record built from 1 public-source records.

## Regulatory status

- EU: Active — Trimethylpentyl Trisiloxane is the siloxane that conforms to the formula:

## 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/98948

_Assessed by Greenveil._