L'Oreal Paris Colorista Washout is a semi-permanent colour cushioned in a hair mask base. It fades gradually over 1-2 weeks so you cans witch and change your hair colour whenever you want. Based on chroma-cream technology in a conditioner hair-mask base, it softly colours your hair while caring at the same time. It washes out gradually, shampoo after shampoo. NOTE: Pastel shades; For blonde or prelightened hair. Vivid shades: For all hair types, however may last longer on blonde or prelightened hair