Safe to Use - Made of non-toxic ingredients, it does not harm to your natural hair with easy application and removal. Please be assured to use them. Colors can be cleaned simply by washing hair as normal with water and shampoo. Lasting Vibrant Hair Dyeing - The hair color edge chalkers offer blendable color mix for light color like blond and grey hair with brighter and longer hair color result. Although it is a little difficult to achieve vivid look on darker hair, just comb for more times and different colors will show up on your hair. Create a Unique Look - These hair color chalks are suitable for kids, boys, girls and adults to use for parties, clubbing, Halloween, Christmas, cosplay or other occasions or celebrations to express your unique look and style with these bright colors. 6 Bright Colors - red, rose red, purple, orange, blue and green, can be used individually or mixed. Providing beautiful raibow and neon color display on your and your kids' hair. ?Easy to Change Hair Color - Just use hair chalk comb on dry hair directly! This hair chalk features a small comb applicator to simply brush on your hair from top to bottom without stain your hands.