# KOJIC ACID

URL: https://app.greenveil.ai/ingredients/ingredient_cas_501_30_4
Categories: beauty, cleaning, pharma
Functions: Antioxidant
Identifier: 501-30-4

> KOJIC ACID is used as antioxidant. Greenveil chemical-concern score: 70/100 — High concern based on regulatory listings.. Assessed from 7 sources.

## Safety assessment

- Chemical concern score: 70/100 — High concern based on regulatory listings.
- Confidence: 4
- Rationale: 5-Hydroxy-2-(hydroxymethyl)-4H-pyrane-4-one 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: Face and hand products Maximum concentration: 1 % Other conditions: From 1 February 2025 cosmetic products containing that substance and not complying with the conditions shall not be placed on the Union market. From 1 November 2025 cosmetic products containing that substance and not complying with the conditions shall not be made available on the Union market.
- US: commercial use observed — EPA CPDat observed this chemical in 58 composition records across product categories including Personal care. EPA CPDat classifies this chemical for functional uses including Antioxidant.
- US: marketed drug occurrence — FDA NDC lists this ingredient in 12 active drug products and 13 total products.
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._