# 4-Methoxyphenol

URL: https://app.greenveil.ai/ingredients/ingredient_cas_150_76_5
Categories: beauty, industrial
Functions: Antioxidant, Flavouring and nutrient, Heat stabilizer, Reducing agent
Identifier: 150-76-5

> 4-Methoxyphenol is used as antioxidant / flavouring and nutrient. Greenveil chemical-concern score: 70/100 — High concern based on regulatory listings.. Assessed from 6 sources.

## Safety assessment

- Chemical concern score: 70/100 — High concern based on regulatory listings.
- Confidence: 4
- Rationale: Hydroquinone methylether / Mequinol is restricted in cosmetic products under Annex III of the EU Cosmetics Regulation (EC) 1223/2009.

## Regulatory status

- EU: restricted — Annex III of EU Cosmetics Regulation (EC) 1223/2009: substances which cosmetic products must not contain except subject to the restrictions laid down. Product types: Artificial nail systems Maximum concentration: 0.02% (after mixing for use) Other conditions: Professional use Conditions of use and warnings: For professional use only Avoid skin contact Read directions for use carefully
- US: commercial use observed — EPA CPDat observed this chemical in 62 composition records across product categories including Raw materials, Laboratory supplies, Industrial products. EPA CPDat classifies this chemical for functional uses including Antioxidant, Reducing agent, Flavouring and nutrient.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._