Description For more than 35 years, Professional hair color has represented a pure passion for ALFAPARF Milano, which has become an obsession, with the sole aim of achieving immaculate results. How to use For an intense colour result, lighten the hair until reaching the ideal melanin residue according to the final desired colour. Shampoo and apply rEvolution directly to damp hair. Leave in 10-20 minutes depending on the intensity of the colour desired. Emulsify with water, then rinse thoroughly and shampoo.On natural hair apply rEvolution directly to dry natural hair to add coloured reflections. leave in 10-40 minutes depending on the intensity of the reflections desired. Emulsify with water, then rinse and shampoo.