Nak Colour Masques will boost colour intensity, prevent colour fade and help maintain colour between services. There is a variety of coloured conditioners to choose from. From high fashion to natural colours. Sulphate free and paraben free. How to use: Wear gloves as staining of hands, towels, tiles and grout may occur. Cleanse with Shampoo. Apply evenly to clean damp hair from roots to ends. Massage into hair and comb through to distribute evenly. Leave-in for 3 - 5 minutes and then rinse well until water runs clear. Towel-dry and then apply Nak Colour Fix Leave-in Treatment. Tip: For more intense vibrancy leave in for 5 to 20 minutes.