Dermatological skincare. Dermatologist recommended pH5 buffer: Helps maintain skin's natural pH5 and gently cleanses dry, sensitive skin Soap free Advanced Cleansing Body & Face Cleanser offers an extra mild, pH5 gentle cleansing formula to help preserve the optimal skin pH5 and natural barrier of dry, sensitive skin. Gentle surfactants, soap-free formula helps prevent skin from drying out Rinses clean without leaving any residue