A. Product Features 1. It is suitable for applying medication. Equipped with six elastic rolling ball teeth, it can evenly introduce the liquid medicine into the hair roots. There is also a squeezable handle to control the liquid output. With it, one doesn't have to worry about getting stains on hands or wasting medicine. 2. It has an additional massage function. Seven auxiliary plastic teeth are used to massage the scalp, promoting blood circulation in the scalp and thus increasing the absorption rate of the medicine. 3. It has multiple uses. In addition to liquid medicine, this corrosion - resistant comb can also be used with many other liquids, such as essential oils and hair growth agents. Its enlarged inlet and scale display enhance the user experience. 4. It has a user - friendly design. As a comb that meets the IPX7 waterproof rating, it can be conveniently rinsed in water after use. Its silicone stand, dust plug, screw - on medicine canister, and anti - slip design make it better than some competitors. B. Usage Instructions 1. Unscrew the medicine canister counter - clockwise. 2. Invert the medicine canister and fill it with liquid. 3. Attach the comb and screw it on clockwise. 4. Apply and use it on the scalp. C. Precautions 1. After adding liquid, tighten the medicine canister in time and place it on the silicone stand. 2. Clean the medicine canister promptly after use, as dried residual liquid may clog the comb teeth and affect its use. You can directly rinse the medicine canister with clean water. After drying, store the product in a cool place. 3. Keep the product out of reach of children. 4. This product is not a storage container. Do not store unused liquid in it, and do not add liquid when using it outdoors. 5. Do not damage the comb teeth with sharp or hard objects, otherwise the comb teeth may be damaged and the sealing effect may also be affected.