?Super Effect&Save Time?- If you want to change your hair color temporarily and quickly, this hair chalk is the best choice for you. It can change your hair color in a few minutes! It is a temporary color and easily washes out as normal with water and shampoo. ?2022 New Upgrated?- Compared with the old version, this newly upgraded hair chalk comb has a transparent cover, which is convenient to save for the next use; the design of the backcomb allows you to comb your hair while dyeing, making your hair dyeing process easier and more convenient. ?Warm Tips?- These color hairsprays are very easily applied to light hair like gray and blond hair. But it is a bit difficult for dark or brown hair, you can follow step:1. Apply the color to a handful of hair one time. 2. Seal the chalk and dry the hair with a hairdryer or fan. 3. Finalize your hair with gel or hairspray. And the chalk might be a little sticky. ?Safe & Non-toxic?- This bright hair dye is made of non-allergenic and non-toxic ingredients, which can be used on the face, and is safe for both skin and hair. Z --The length of the hair color comb is about 4.72”(12cm). ?Great Idea for a Gift?- Our hair chalk comb set has 6 different colors, which are bright and washable, perfect for kids and girls to DIY hair color temporary on Birthday, Children's Day, crazy hair day, Thanksgiving, Halloween, Christmas, Cosplay party and so on.