Chalk change hair color fashion women need love. Add color to your life, do not bite, do not dye your hair pastel paint. This makes a lot of work. Has been certified as non-toxic.Chalk is chalk color hair that has been designed to temporarily color hair. Lasting for about 1-2 days and come off when you wash your hair. How to create a hair style Dip-Dye Hair color themselves. Instruction 1. A bunch of hair that you want to change the color channels individually as needed. 2. Twisted into a spiral light. 3. Carpet hair lightly with water. 4. Use chalk to color the whole thing is a bunch of hair that you have prepared rubbing up - down until you see the colors more clearly. (If I mess up a hand, do not forget to wear gloves too) do this until all clusters. 5. Waiting to dry (may use a different drive). 6. A hair clip or clamp electric coil that is screwed down. To make it more long-lasting color.