Give hair an instant boost with this hydrating shampoo engineered to cleanse hair gently yet effectively, while leaving it silky and shiny. - 3x stronger with one wash(1) - Removes dirt, sweat, oil, pollution, and product buildup - Luxe lather gently yet effectively cleanses without stripping or over-drying strands - Leaves hair silkier, shinier, and healthier looking with each wash (1)After one use of PhD Shampoo + Conditioner vs. untreated