What Is DMDM Hydantoin? DMDM hydantoin is a preservative and antimicrobial agent found in a wide range of cosmetics and skin-care and hair-care products. It's considered a “formaldehyde donor.” That means it releases a small amount of formaldehyde over time to help keep products fresh and free from contaminants.
1,3-dimethylol-5,5-dimethyl hydantoin. 1,3-Bis (hydroxymethyl)-5,5-dimethyl-2,4-imidazolidinedione butyl carbamate. Dimethylol dimethyl hydantoin. Dantoin DMDMH.
Clear colourless liquid
60 to 63 °C
> 200 °C
Solubility in Water
DMDM hydantoin is a preservative in cosmetics and personal care products. It works by slowing and preventing spoilage in products such as shampoos and hair conditioners, and in skin care products like moisturizers and makeup foundations.
The global DMDM hydantoin market is being aided by the rising cosmetic preservative market, which is projected to grow at a CAGR of 5.8% between 2021 and 2026.