[integrated massage and nursing] when you feel the pressure of work, stay up late and work overtime, and have no thoughts, you can always use our products to give your head a relaxing spa, massage your stiff scalp, promote blood circulation and relieve pressure; 22mm super large bottle mouth, convenient for liquid filling and cleaning; 30ml large capacity liquid tank, used together with hair care potion, essential oil and other liquids, sealed without leakage; With 12 elastic balls, the liquid can be pressed out evenly and smoothly, clean and sanitary. The nutrient solution can reach the deep layer of the scalp and be absorbed more thoroughly. [ergonomic design] compact appearance design, easy to carry; The transparent protective cover prevents dust and dust, which is used to protect the comb teeth of the dosing device from dust. "S" body design, strong grip, not easy to slide; Soft silica gel press cover, large stress area and smooth liquid outlet; Perspective scale window, clear dosage and save liquid medicine. [high quality, long life] it is made of alloy material, and the CNC machining accuracy error is only 0.01mm. Press the ball to control the size and speed of liquid discharge. Seven auxiliary plastic comb teeth can massage the scalp while applying medicine to promote the absorption of liquid medicine. The bottle body is made of mixed explosion-proof materials, and the liquid tank is equipped with mixed materials to enhance the service life of the product and resist most essential oils. [precautions] 1. Add less than 30ml of drugs to the liquid storage bin every time. After use, pour out the residual liquid in the liquid storage bin, clean and dry before use; 2. After each use, wipe the telescopic pen with a cotton swab with 75% alcohol. The action should be as gentle as possible. After wiping, cover the transparent cover; 3. The applicator is not a drug storage container. Do not use it as a container for long-term storage or carrying out. [one year warranty]