Please know the below info before putting order: 1: Color is easy to show on blonde hair and difficult to work on dark hair. Check the buyers' show on reviews for the real effect . 2: It is similar to crayons and sticky on the hair. Use a hairdryer and comb after dyeing. 3: Our hair chalk is a toy gift for kids and we hope you will have fun with it. Please note that not all colours will work with all hair types. Lighter colours work better with darker hair.Those with blonde or fair hair can use any colour.