For friends who like to dye their hair or professional hairstylists, this hair dye bottle with a built in comb puts precise application at your fingertips. for filling hair dye, conditioner, shampoo, or applicators. Applicator bottles can be used in any setting, such as at home, beauty school, barber , and you can carry them while traveling. The comb features smooth teeth to detangle hair, helping to evenly distribute the dye and greatly reduce mess. Use scenario 1: At home for DIY dyeing. Fill the bottle with dye, apply along roots or strands, then comb through to distribute evenly. Use scenario 2: In beauty school or professional setting. Practice consistent dye application on models or clients with reliable coverage. Use scenario 3: On the go. Take the bottle to client visits or training sessions for quick filling and precise application anywhere.