Professional Scalp Applicator: Save for easier absorption. Just head liquid reaches , spreads evenly, massages the scalp and accelerates absorption. Multi Functional: This Hair Growth Massage Comb promotes fluid absorption to aid hair growth, while providing a vibrating massage to relax muscles and help improve sleep. massage. Red light + + vibration + + full function. Hair Care Massage Comb: The massage comb can the hair follicles, repair damaged hair, apply relax the scalp with high frequency vibration, and protect the scalp health. Carry: The scalp massage comb is light, carry, be taken when or work. Reminder: Please add according to your own dosage to . It is recommended to clean the liquid storage tank after each use, paying special attention not liquid with impurities and slag. Specification: Material: ABS Plastic 900mAh Rechargeable Battery Detachable transparent water tank adjustment to a variety of needs Size Chart: 20cmx6cmx4.3cm/7.87inchx2.36inchx1.69inch Package Includes: 1pc Scalp Applicator Comb 1pc Date Cord 1pc Dropper Note: Please allow slightly errors due to manual measurement and different monitors.