Multifunctional HairbrushScalp hairbrush is designed to brush hair with hair care nutrient solution or oil, make the liquid penetrate deep into the hair roots and massage the scalp, stimulate scalp cells and prevent hair loss. Reduce liquid waste, avoid messes, say goodbye to traditional spray methods, and make the ideal gift for friends or family. [Large 30ml liquid tank with viewing window] The scalp hair liquid comb has a built-in 30ml liquid tank, in which you can put hair nourishing liquid, essential oil, conditioner. It is large enough for one-time therapeutic use. Comes with a visual window to let you know how much liquid is still inside, avoiding wasting liquid. [Easy Grab and Portable] The surface of the scalp applicator brush is S ergonomic design, it is not easy to slip off, you can easily grab your body. Smooth liquid discharge, no battery required, slim and lightweight, so you can take it anywhere. [Waterproof and easy to clean] The mouth filling hole of the hair oil comb is 22mm large for easy cleaning and liquid filling. It is made of ABS, silicone and stainless steel, durable and waterproof, no problem to wash the whole body. [Leak-proof and Satisfied Service] The edges are tightly designed and wont let liquid spill or leak. If you have any questions about this hair scalp applicator brush, please email us for free and we will provide you with satisfaction after-sales service. Note: This is not designed for liquid storage, please use up all the liquid every time, otherwise it may cause the liquid to deteriorate or other problems.