germall™ plus preservative is a white, free-flowing hygroscopic powder, a patented synergistic combination of germall™ II preservative (diazolidinyl urea) and iodopropynyl butylcarbamate (IPBC). germall™ plus is a highly effective, broad spectrum preservative for emulsions and aqueous formulations. It can be incorporated into a variety of leave-on and rinse-off cosmetic and personal care formulations for reliable preservation.