이 원료는 다음의 구조를 갖는 유기화합물이다.

1,3-bis(Hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione: DMDM hydantoin is an antimicrobial formaldehyde releaser preservative. People exposed to such formaldehyde-releasing ingredients may develop a formaldehyde allergy or an allergy to the ingredient itself and its decomposition products. In the U.S., approximately 20% of cosmetics and personal care products contain a formaldehyde-releaser and the frequency of contact allergy to these ingredients is much higher among Americans compared to studies in Europe.

本品は、次の化学式で表される化合物である。