Black head Chroma ID color mask 9.5-4 500 ml The black head Chroma Id Bonding Color Mask 9.5-4 In the color "Pastel Beige" offers endless color options without damaging the hair by the semi-permanent formula. The hair is refreshed and its liveliness is restored. The hair is preserved! Application:Â Apply the mask to the washed, towel -dry hair. Let it take effect for about ten minutes and then rinse thoroughly. Advantages: - refreshes the hair - extends the color - helps to restore the luminosity - receives the optimal hair state - hold up to 12 hair washes - give the hair a nice shine.