Features:_x000D_With a 6ml serum cabins in the middle of the brush, it can help you apply essential-oil evenly and easily while massaging your scalp. _x000D_Tooth-tip Massage: The massage relaxes the head muscles, andcontinuously removes debris, dirt, and oil from the scalp. All you have to do is move-it to different parts of scalp while the bristles do all the work. It feels like a steady continuous pinching and releasing in a pleasant way. The massage feels especially great around the back of scalp and nape of neck._x000D_Waterproof, no problem with rinsing, super waterproof performance, clean, hygienic, unclogged, safe, and comfortable._x000D_Red light works right in the dermis to promote enhanced collagen and elastin production. Notice improved skin elasticity and texture with regular red light treatments.Perfect for on-the-go hair care, it39;s an excellent choice as a thoughtful gift for family and friends on birthdays, as souvenirs, or for Christmas. _x000D_Notice:_x000D_1.Actual color may be slightly different from the image due to different light effect_x000D_2.Please allow 1-3cm deviation due to manual measurement_x000D_ Size: As picture show Package List:_x000D_1x Red Light Therapy Brush