Synonyms:

Germall II; 2,5-Diazolidinylurea; Urea, N-(1,3-bis(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl)-N,N'-bis(hydroxymethyl)-. 

Uses:

Preservative used in cosmetic creams, lotions, shampoos, hair gels, etc. (Germall II). 
Cross: Imidazolidinylurea (germall 115), formaldehyde.