# Lithium hydroxide

URL: https://app.greenveil.ai/ingredients/ingredient_cas_1310_65_2
Categories: beauty, cleaning, industrial
Functions: Hair waving or straightening, pH regulating agent
Identifier: 1310-65-2

> Lithium hydroxide is used as hair waving or straightening / ph regulating agent. Greenveil chemical-concern score: 70/100 — High concern based on regulatory listings.. Assessed from 2 sources.

## Safety assessment

- Chemical concern score: 70/100 — High concern based on regulatory listings.
- Confidence: 4
- Rationale: Lithium hydroxide 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: (a) Hair straightener (b) pH ajuster for depilatories (c) Other uses as pH ajuster (for rinse-off products only) Maximum concentration: (a) 1. 2% (6) 2. 4.5% (6) Other conditions: (a) 1. General use 2. Professional use (b) pH < 12.7 (c) pH < 11 Conditions of use and warnings: (a) 1. Contains alkali Avoid contact with eyes Can cause blindness Keep out of reach of children 2. Avoid contact with eyes Can cause blindness (b) Contains alkali Keep out of reach of children Avoid contact with eyes
- US: commercial use observed — EPA CPDat observed this chemical in 219 composition records across product categories including Cons. electronics, mech. appliances, and machinery, Raw materials, Batteries. EPA CPDat classifies this chemical for functional uses including pH regulating agent, Hair waving or straightening.

_Assessed by Greenveil._