According to World of Chemicals, cetrimide disrupts the growth of harmful bacteria and fungi by interrupting its normal functions. Processed food products, such as bread and meat, contain the ammonium preservative cetrimide.
Cetrimide keeps food fresh longer by regulating acidity, or pH balance. Ammonium preservatives are excellent antiseptic agents. Cetrimide is an active ingredient in specialty shampoos for the treatment of dandruff, eczema and psoriasis. It is used in the pharmaceutical industry to fight static, soften paper products and bind detergents. Cetrimide is an active ingredient in topical first-aid creams. Its antiseptic properties help prevent infection in open wounds, such as cuts and scrapes, and it is soothing for diaper rash and chapped hands.