User Guide: 1. Spraying a little water to dampen your hair to make the process easier or get better results, otherwise dye your hair with the chalk directly. 2. Comb your hair straightly before use combs/pens to avoid knot tied. 3. Straighten the hair with a hand when you are dyeing.Taking combs/chalk stick and press firmly against your hair, pull the combs/pens through your hair in a downwards motion Dont try too hard. What you need to do is repeat dyeing more times until you are satisfied with the color. 4. Comb your hair gently together with the hairdryer to make the hair more natural and smooth (optional: Using a little hairspray to fully seal in the color. Instructions-tips: In case that your hair may get stuck in gaps on the comb, please dont twist your hair on the comb or drag it heavily. The more times you repeat the darker color you will get on your hair. Besides, you can also dye your hair with light color first and then cover it with the dark color to get better results. For the dark or brown hair to apply, you can first apply on lightful color combs/pens, then add the other colors that you like.