Hair Dye Shampoo Using Directions: 1,Before doing the hair dye , please do skin test first, if no problem , then can start the hair dye. 2,When begin do the hair dye , please make sure the hair is Dry. when do the hair dye , DO NOT add water, after done the hair dye , then can washing the hair with water. 3,For black color , normally need 5-10 mins , if other colors, then need 30-40 mins time. then can wash the hair. 4,Note: after put the hair dye shampoo on the hair ,massage it few minute,DO NOT Scratch with the nail so that will not hurt the scalp, please use the Finger massage the hair. it has the advantage of low cost, time-saving convenience 1.Convenient Easy in operation, Wear gloves and squeeze the shampoo, Rub for a few minutes, just like using normal shampoo. 2. Time saving Use Only one time can give you black shining hair in 5-25 minutes. 3. Cost saving Compared to the expensive cost for dyeing hair in the hair salon, the hair black shampoo is more than 10 times cheaper. 4. Natural and mild Natural argan oil hair black magic shampoo, high quality is a hair-care product in a formula of natural luxurious , there will be no harm to your hair nor scalp when it gives you black and shining hair. Package includes 1 * Bubble Dye Shampoo