<unk>  is an antimicrobial preservative used in cosmetics. It is chemically related to diazolidinyl<unk>  which is used in the same way.<unk>  acts as a formaldehyde releaser.
Imidazolidinyl urea
Succimer
Indigotindisulfonate
Sodium aurothiomalate
Aurothioglucose
Diisopropyl fluorophosphate
Sodium thiosulphate
Ferric Carboxymaltose