PHMB (Polyaminopropyl Biguanide)

Polyaminopropyl Biguanide. PHMB (Polyaminopropyl Biguanide) by Sharon Laboratories acts as an aqueous-based cationic preservative, active against spoilage bacteria. PHMB (Polyaminopropyl Biguanide) is compatible with a wide range of aqueous based cosmetics and personal care formulations. Its gentle nature makes it ideal for both rinse-off and leave-on applications like shampoo (with cationic, nonionic or amphoteric surfactants), hair care products, skin creams, skin lotions, baby products and wet wipes.