Waterproof and Sweat-Proof Hair Dye Stick: Portable Hair Color Touch-Up Stick with Comb is sweat-proof, waterproof and oil-proof, allowing you to be confident all day long. Roseionly Hair Dye Comb ensures dry, long-lasting results even in challenging conditions. Integrated Comb Design: Portable Hair Color Touch-Up Stick with Comb combines dyeing and combing. Just comb for even hair coloring, skipping messy steps, great for busy users. Hair Dye Stick for Gray Hair. Quick Results: Waterproof and Sweat-Proof Hair Dye Comb Quickly covers gray hair and restores natural color in minutes, Safe and Convenient Comb Hair Dye is perfect for last - minute touch - ups before important events. Natural ingredients: The hair dye stick is made entirely of natural plant ingredients and will not harm your scalp and hair. Grey Hair Dye Brush Pens Wait a moment to fully absorb and cover the original hair color. Natural Color: The coloring effect is natural, blending seamlessly with your original hair color to create a soft dye effect. Whether you want a subtle enhancement or a bold change, Hair Dye Comb can be easily achieved, enhancing your overall demeanor and showcasing your unique charm. Easy to use without pro skills