Note - These hair chalk combs are easily applied to light hair, such as gray, blond, silver-white, chestnut and etc. It's a little bit difficult for dark or deep brown, then you can wet your hair first which makes your hair better to dye. (After wet the hair might be a little sticky, please dry it with the hair dryer.). Perfect Gifts & Wide Application - This hair chalk comb is suitable for daily hair beauty, Festivals, Birthday, Parties, Salon, Clubbing, Raves, Halloween, Christmas, Fancy dress, etc. A perfect gift for girls, kids, adults, families and friends, which can help you express your personality and creativity, promote the relationship. Easy to Operate - The hair chalk with the design of fixed comb, it is very easy to dye your hair, just choose the colour you like and comb your hair from top to bottom, the disposable gloves also included and help you avoid staining your hands and messing your hair. Enjoy your natural hair with your friends, kids, children. Easy to Clean & Safety - These hair chalk for kids are water-soluble, non-toxic, non-allergenic, and washable, you can use it for your kids without any worry. The colours also can be washed out simply as normal in shampoo with water. Colorful Hair Chalk Comb Set - Assorted 10 Bright and Vibrant Colours hair chalk dyeing combs are ready for your choice. DIY your hair color with your different dress-up or mood in different colors. You can change your hair colour style as you like because of the NOT PERMANENT hair color dye.