Dibasic Sodium Phosphate, Dried, USP (SO138) (INCI: Disodium Phosphate) is a versatile sodium salt of phosphoric acid renowned for its multifunctional properties. This white, highly hygroscopic powder is not only water-soluble but also serves as an essential buffering agent, pH adjuster, and anti-caking additive in various powdered formulations. Its ability to enhance stability and performance makes it a valuable ingredient in a wide array of cosmetic and personal care products, including bath products, colognes, dentifrices, mouthwashes, hair conditioners, hair dyes, permanent waves, shampoos, as well as makeup and skincare items. With its diverse applications, Disodium Phosphate plays a crucial role in ensuring product quality and effectiveness.