# Drometrizole trisiloxane

URL: https://app.greenveil.ai/ingredients/ingredient_cas_155633_54_8
Categories: beauty, pharma
Functions: uv filter, UV stabilizer
Identifier: 155633-54-8

> Drometrizole trisiloxane is used as uv filter / uv stabilizer. Greenveil chemical-concern score: 25/100 — Minor concern based on regulatory listings.. Assessed from 7 sources.

## Safety assessment

- Chemical concern score: 25/100 — Minor concern based on regulatory listings.
- Confidence: 4
- Rationale: Phenol, 2-(2H-Benzotriazol-2-yl)-4-Methyl-6-(2-Methyl-3-(1,3,3,3-Tetramethyl-1-(Trimethylsilyl)Oxy)-Disiloxanyl)Propyl is listed in Annex VI of the EU Cosmetics Regulation (EC) 1223/2009 (UV filters allowed in cosmetic products).

## Regulatory status

- EU: allowed_listed — Annex VI of EU Cosmetics Regulation (EC) 1223/2009: UV filters allowed in cosmetic products. Maximum concentration: 15%
- US: commercial use observed — EPA CPDat observed this chemical in 1 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including UV stabilizer.
- US: marketed drug occurrence — FDA NDC lists this ingredient in 1 active drug products and 1 total products.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._