L'Oreal Professional Serie Expert Paris Vitamino Color Masque for those with color-treated hair is a daily use, color enhancing formula. It helps to maintain your hair color full of shine and prevent dryness and dullness over time. It enhances your hair elasticity and improves overall moisture. How to use: Apply masque onto damp hair. Leave on for 5 minutes and rinse. For your best results use along with L'Oreal Vitamino Color Shampoo and Conditioner. This set includes 2 Masques, each 2.56 oz.