# METHYL POLYSILSESQUIOXANE CAFFEATE

URL: https://app.greenveil.ai/ingredients/ingredient_inci_methyl_polysilsesquioxane_caffeate
Categories: beauty
Functions: Antioxidant, Skin conditioning
Identifier: METHYL POLYSILSESQUIOXANE CAFFEATE

> METHYL POLYSILSESQUIOXANE CAFFEATE: Used in cosmetics as an antioxidant and a skin-conditioning agent. Methyl Polysilsesquioxane Caffeate is the polysiloxane formed by the hydrolysis and condensation of Methyltrichlorosilane in water under alkaline conditions, followed by reaction with Caffeic Acid. The solution is then neutralized. 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 — Methyl Polysilsesquioxane Caffeate is the polysiloxane formed by the hydrolysis and condensation of Methyltrichlorosilane in water under alkaline conditions, followed by reaction with Caffeic Acid. The solution is then neutralized.

## 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/99043

_Assessed by Greenveil._