DMDMH is a clear, aqueous preservative containing 55% of the active ingredient dimethyloldimethylhydantoin. It is a low-cost, highly effective preservative that offers protection against a broad spectrum of microorganisms, including Gram-positive, Gramnegative bacteria, yeasts and molds. It is recommended for use in rinse-off and leave-on personal care applications, including: Facial Cleansers, Hand Cleansers, Body cleansers, Hair shampoos ,Hair conditioners, Moist towelettes, Sun care , Skin care .