Ingrephen PWS is an optimal broad spectrum preservative blend suitable for sensitive skin and leave-on applications with low pH. A mild alternative to paraben-based preservatives, Ingrephen PWS provides high antimicrobial and antifungal efficacy. A combination of Phenoxyethanol, Sodium Benzoate and Potassium sorbate, Ingrephen PWS is a preservative system that is highly effective in aqueous systems or emulsions in final formulation pH ranges of 3 to 5.5. It's a preservative ingredient often used in Cosmetics applications ranging from Body Washes, Wet Wipes, Make-up Powders, Hair Care products to Skin Serums and Shaving Creams.