Feature: 1. Hair Follicle Protection: Scalp massaging applicator can effectively promote hair follicle cell metabolism, accelerate blood circulation, smooth curly hair. 2. Negative Ion: Comes with millions of anions to repair the hair surface, with better antioxidant properties, anti aging, reduce blood viscosity. 3. Scalp Treatment: The comb teeth can directly contact with the scalp, promote the scalp to absorb nutrients, repair scalp vitality. The potion will flow out by pressing. 4. Massage Comb: High frequency vibration, relax the scalp. Microcurrent massage technology can effectively massage the scalp. Built in large capacity water tank, removable cleaning, easy to use. 5. Promote Hair Growth: Hair growth liquid or serum will be introduced into the hair follicle to improve the absorption capacity of the hair follicle and promote hair growth. Specification: Item Type: Scalp Applicator Comb Material: Plastic, stainless steelBattery Type: Lithium ion battery (built in) Battery Capacity: 1200mAh Lamp Chips Quantity: 14pcs. Package List: 1 x Scalp Applicator Comb1 x USB Charging Cable1 x Instruction Manual1 x Drip Pipe