Acqua Di Parma's Barbiere Brightening Shampoo For Grey And White Hair keeps natural silver hues luminous and subtly infused with a masculine earthy citrus scent. The gentle, purifying active ingredients cleanse and protect the scalp and strands, while deep purple pigments revitalize gray tones to reveal shiny, icy cool-toned hair.Use this luxury purple shampoo just once or twice a week, rotating it with Acqua Di Parma's Barbiere Gentle Shampoo for optimal brightening results.