# TRIMETHYLSILYL CELLULOSE

URL: https://app.greenveil.ai/ingredients/ingredient_inci_trimethylsilyl_cellulose
Categories: beauty
Functions: UV absorber, Hair fixing, Hair waving or straightening, Film forming, Viscosity controlling
Identifier: TRIMETHYLSILYL CELLULOSE

> TRIMETHYLSILYL CELLULOSE: Used in cosmetics as a UV filter, a hair fixative and a hair waving or straightening agent. Trimethylsilyl Cellulose is Cellulose that has been modified by reaction of the hydroxyl groups on the cellulose with a silane to produce trimethylsiloxy groups. 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 — Trimethylsilyl Cellulose is Cellulose that has been modified by reaction of the hydroxyl groups on the cellulose with a silane to produce trimethylsiloxy groups.

## 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/100199

_Assessed by Greenveil._