?How to use hair dye? Test your skin for allergies before use; keep your hair dry and wear gloves; apply evenly, make full contact, avoid contact with eyes, and wash your hair after a few minutes. Do not allow hair dye to come into contact with your forehead and other unwanted parts of your body for extended periods of time. ?Easy to Use?Dye your hair at home, no more trips to the salon! No bowl or comb required, just pour hair dye into gloved hands, apply evenly to dry hair as you would normal shampoo, lather (avoid wet hair), rinse with water after a few minutes. ?3-in-1 Natural Hair Dye?Unlike other chemical-laden hair dye colors, this amazing hair color shampoo does not contain any harsh and harmful chemicals. Polygonum multiflorum treats hair, strengthens hair roots, and makes hair strong and soft. Moroccan oil and ginseng extract nourish strands while natural ingredients protect your hair. ?Quick Dark Brown Shampoo?Our hair color shampoo can cover all your hair in 10-15 minutes, no need to wait long. Wash your hair as usual. It will keep your hair nourished and maintain long-lasting color. ?Bright Dark Brown Hair Color?Restore youthful hair and add shine, our instant hair color matches gray hair with the health of fragile hair. Make your hair Brown and shiny, looking younger and more energetic. This hair color shampoo is formulated to help you get the hair color you love! (Note: hair needs to be used in dry conditions).