... .DO NOT shampoo the hair before application2.Squeeze the Pemanent Colorant into a plastic or any non-metallic container and mix ... uniform.3.Alway mix 1+1(ie.1 part pemanent colorant+1 part peroxide cream)Regrowth/Retouching application:Apply cream mixturae ... shades ,bleach hair first to required level,Then apply permanent colorant as above.Colors :Natural black , Chestnut brown , Coffee ,Flax , Grape ...