# 4,5-Diamino-1-(2-hydroxyethyl)pyrazole sulfate

URL: https://app.greenveil.ai/ingredients/ingredient_cas_155601_30_2
Categories: beauty
Functions: Dye
Identifier: 155601-30-2

> 4,5-Diamino-1-(2-hydroxyethyl)pyrazole sulfate is used as dye. 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: 4,5-Diamino-1-(2- hydroxyethyl)-1H- pyrazole 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: Hair dye substance in oxidative hair dye products Other conditions: After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 3,0 % Conditions of use and warnings: To be printed on the label: The mixing ratio. Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase your risk of allergy. Do not colour your hair if: — you have a rash on your face or sensitive, irritated and damaged scalp, — you have ever…
- US: commercial use observed — EPA CPDat observed this chemical in 28 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Dye.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._