Features: Our innovative 4:1 device combines LED light therapy, with three dermals technologies; microcurrent, radio frequency and electroporation, to improve scalp health and stimulate hair growth. The targeted hair treatments device helps to increase hair density and volume for healthier, fuller-looking hair. Multifunctional: The scalp application comb not only promotes the absorption of hair care essential-oils, but also provides vibration to relax muscles, relieve stress, and help impsleep. The hair comb can care for hair follicles with anti-static function, repair damageds hair, relax the physical and mental scalp, and care for the scalp Combines red and purple LED to stimulate hair growth red and manage water/oil production purple. Comfortable, easy to hold handle. Daily hair care: The scalp applicator comb is suitable for all hair types and can be used for daily hair combing. It can also be used for scalp massage combs to perfectly fit the scalp, fully massage the head, comb hair follicles, and protecting the hairline Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description Size: 216*42*37mm Package List: 1x LED Hair Growth Comb