[With Comb] The hair dye applicator comes with a comb, each with a water outlet. Simply press gently and the dye will flow out of the comb. The comb design is more comfortable for the scalp. The comb design is more comfortable for the scalp. When using, you can evenly apply the dye to each strand of hair for a more even distribution of hair color. [Easy to Use] The root comb applicator bottle provides great convenience for dyeing your hair at home. It is easy to use, non-stick, and has a uniform color distribution. Simply comb and press to apply the liquid, which can be done with one hand. [Wide Application] It can be used for hair dyeing, dry cleaning, cooking oil, or applying liquid medication, allowing for better control of the amount of water released. In addition to being used as a hair dye bottle, our product can also be used for dry cleaning and hair care. [What You Will Receive] The package contains 4 hair dye bottles (2 white, 1 purple, and 1 pink). The water outlet is located on the top of the comb teeth, making it easy to use, easy to choose colors, beautiful color matching, and easy to monitor the water level.