Red. HOW TO USE: The quantity of product per application depends on hair length, thickness and porosity. On dry and clean hair, distribute the colour in a uniform manner and leave on for 5 to 20 minutes, depending on the condition of the hair. After processing time add water and accurately emulsify to obtain completely clean scalp and hair. If hair is dirty, carry out a shampoo prior to application, dry the hair and then proceed with the application of the colour as mentioned above.