The principle of core Hertz energy comb is magnetic field. Core hertz energy comb patented hollow comb tooth design, automatically absorbs oil stains and dandruff on the scalp, and deeply cleans the dirt in the hair follicles of the head. Effectively protect scalp and hair quality and prolong shampoo time. Built-in permanent magnet energy stone, anti-static, non-winding, nourishing hair, improving short hair yellowing. Ergonomic arch design, close to the head acupuncture points, combing and promoting brain microcirculation, easily relieving scalp pressure and reducing insomnia and dreaminess.