... blond hair can be easily colored with any hair chalk colors, for example, green, pink, blue, red, lime, ... yellow, lime …, but pink, blue, purple are perfect colors for dark hair. They will bring you exact high lights ... know in this procedure, the water will make the colors of chalk stain hair much easier.See? Pretty easy ... is best if you wear a pair of gloves while dying hair. The hair chalk is non-toxic ...