1, wash and dry your hair first (just don't drip), put on a shawl and earmuffs, and put on gloves.

2. Secondly, shake the foam hair dye to increase the foam generated by extrusion, squeeze the foam into the palm of your hand, and then apply the foam to each hair in all directions.

3. Wipe it all, wait for 20 minutes, rinse it with clear water several times, and then blow dry your hair with a hair dryer.