Maintain the vibrancy of your hair with Moroccanoil Blonde Perfecting Purple Shampoo. This sulfate-free purple shampoo is specially formulated to fight brassiness and maintain the vibrancy of blonde. lightened brunette. and grey hair. The pro-strength formula works to neutralize unwanted yellow and orange tones. helping to restore a cooler. more radiant color. Infused with deep violet pigments. it gently cleanses without stripping the hair of moisture. ensuring that your color remains bright and fresh in between salon visits.