Milk_Shake Temporary Lilac Hair Color Treatment. Milk_Shake direct color is an innovative and delicate cosmetic direct coloring, for easy reflex color services with excellent results. Dynamic, versatile, and multifunctional, it offers clients convenient services and solves technical color situations. Ammonia and peroxide-free, it doesn’t modify hair structure and finds its position within the hair cuticles, leaving hair shiny, conditioned and rich in reflexes. 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.