Please rinse thoroughly to the root of the hair after the toothbrush, please keep the water well and keep it in a well-ventilated place. Because there is fear of discoloration and deformation, please do not use chlorine fungicide, bleach, hot water, essential oil. Let's brush up a little with light power. Too much power can cause hug damage as well. Combining aura-tooth and aura-toothbrush, soft case type, it is colorful and stylish toothbrush set according to each handle color. For assorted items, colors can not be chosen.