Cool shades of brown and chocolate tones can be the ultimate ingredient to luscious, glossy hair. milk_shake® Cool Brown Direct Color is a temporary color treatment that can be used at home or in the salon to enhance color, improve the condition, and protect the hair. Completely ammonia-free, it does not require the use of oxidizing agents. Lasts up to 8-10 washes. How to Use: Distribute over clean, damp hair, work through the hair, and comb through. Leave in for a suggested time that varies between 5–20 minutes. At the end of the setting time, lather with a little water, then rinse. If applying intense or dark shades, cleanse with a mild shampoo. Follow the instructions on the instruction leaflet insert. Perform a skin sensitivity test.