Mash Up Haircare No 6 Peach Colouring Mask. Colouring and hydrating mask. Gives to blond or coppery hair a peach fashion color. It contains wheat micro proteins, virgin and hydrolyzed keratin that hydrates and protect hair, making it soft and shiny. Thanks to its acid Ph, it closes the hair cuticles giving shine and softness, and prolonging the effect of the treatment.