# CALCIUM HYDROXIDE

URL: https://app.greenveil.ai/ingredients/ingredient_cas_1305_62_0
Categories: beauty, cleaning, industrial, pharma
Functions: Binder, Catalyst, Chemical reaction regulator, Filler, Flame retardant, Flocculating agent, Hardener, Processing aids not otherwise specified, aggregate, inorganic additive, lime - raw material, pH regulating agent
Identifier: 1305-62-0

> CALCIUM HYDROXIDE is used as binder / catalyst. Greenveil chemical-concern score: 70/100 — High concern based on regulatory listings.. Assessed from 10 sources.

## Safety assessment

- Chemical concern score: 70/100 — High concern based on regulatory listings.
- Confidence: 4
- Rationale: Calcium 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 straighteners containing two components: calcium hydroxide and a guanidine salt (b) pH ajuster for depilatories (c) Other uses (e.g. pH adjuster, processing aid) Maximum concentration: (a) 7% (as calcium hydroxide) Other conditions: (b) pH < 12.7 (c) pH < 11 Conditions of use and warnings: (a) Contains alkali Avoid contact with eyes Keep out of reach of children 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 667 composition records across product categories including Construction and building materials, Furniture and furnishings, Raw materials. EPA CPDat classifies this chemical for functional uses including pH regulating agent, Flame retardant, aggregate.
- US: inactive ingredient database — Route: INTRAVENOUS; Dosage form: INJECTION; Potency: 3.7 mg
- US: inactive ingredient database — Route: ORAL; Dosage form: CAPSULE, EXTENDED RELEASE; Maximum daily exposure: 14 mg
- US: inactive ingredient database — Route: ORAL; Dosage form: SUSPENSION; Potency: ADJ PH
- US: inactive ingredient database — Route: SUBCUTANEOUS; Dosage form: INJECTION; Potency: ADJ PH
- US: marketed drug occurrence — FDA NDC lists this ingredient in 13 active drug products and 13 total products.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._