# DMDM HYDANTOIN

URL: https://app.greenveil.ai/ingredients/ingredient_cas_6440_58_0
Categories: beauty, cleaning, food, industrial, pharma
Functions: preservative, Fragrance, No specific technical function, Preservative
Identifier: 6440-58-0

> DMDM HYDANTOIN is used as preservative / fragrance. Greenveil chemical-concern score: 25/100 — Minor concern based on regulatory listings.. Assessed from 7 sources.

## Safety assessment

- Chemical concern score: 25/100 — Minor concern based on regulatory listings.
- Confidence: 4
- Rationale: 1,3-Bis(hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione is listed in Annex V of the EU Cosmetics Regulation (EC) 1223/2009 (preservatives allowed in cosmetic products).

## Regulatory status

- EU: allowed_listed — Annex V of EU Cosmetics Regulation (EC) 1223/2009: preservatives allowed in cosmetic products. Maximum concentration: 0.6%
- US: commercial use observed — EPA CPDat observed this chemical in 4308 composition records across product categories including Personal care, Laboratory supplies, Vehicle. EPA CPDat classifies this chemical for functional uses including Preservative, Fragrance, No specific technical function.
- US: inactive ingredient database — Route: TOPICAL; Dosage form: LOTION; Maximum daily exposure: 3 mg
- US: listed in openFDA substance — openFDA substance registry classifies this ingredient as chemical.

_Assessed by Greenveil._