Formaldehyde- and Paraben free, Ingrephen PBD is a preservatives blend of Benzoic acid and Dehydroacetic acid in Phenoxyethanol. Both gentle to the skin and providing a broad spectrum of antimicrobial properties against Gram-negative bacteria, Gram-positive bacteria, yeasts and molds. Ingrephen PBD is a mild preservative that can be used in rinse-off cosmetics and skin care leave-on formulations with slightly acidic pH levels of up to 6. This product is an effective alternative to paraben blends. It meets the requirements for global safety and efficacy and is a preservative ingredient commonly used in skin-, body- and hair care products such as Shaving Creams, Hair Lotions, Skin Serums and Soaps.