Overview: [Male and female anti-hair loss electric hair growth combs use low-energy infrared active cells, affect tissue replacement and blood circulation, help prevent hair loss and thicken existing hair of hair [REGRWOTH Hair Care] The La Luz comb promotes blood circulation and sprinkles the nutrient process that reaches the follicular tissue. Stimulate hair follicles to promote hair growth [Helps to remove dandruff and oil control] Hair growth comb Use light to clean hair roots to make hair straight and healthy. For best results, use 10 to 15 minutes every two days. The result can be observed within 3 weeks [Relax vibration vibration with vibration massage, refers to external force massage scalp. Helps promote blood circulation, relax and relieve fatigue. Regular use can prevent headaches or intermittent headaches Specification: Product size: 22.5 * 6.2 * 4.2 cm Use this website: head Frequency of use: 2-3 times a day Power: two AA (AA) batteries Package Content: 1 x massage comb