BLACK HAIR DYE SHAMPOO 3 IN 1: Stop worrying about gray hair or damaging your skin with poor-quality hair dye shampoo. our black hair dye shampoo will help you to create your own fresh hair color style, get rid of the hair troubles, only one bottle of ours can bring you different shiny hair experience. UPGRADE HAIR DYE FORMULA: The secret to dyeing hair naturally is using a shampoo with gentle ingredients. The upgrade hair dye formula is more gentle and non-irritating, allowing you to color your hair as you like, without worrying about the residue of dye. Let you enjoy colorful life. CREATE NEW HAIR COLOR STYLE: Natural extracts can effectively dye your hair BLACK in minutes. Just keep your hair dry, and apply the shampoo from hair roots to tips, wait 10-15 mins and wash it cleanly, the coloring hair effect is natural and charming. Works on white hair/ non-pigmented hair. EASILY USE ALONE: Just use it as a normal shampoo, don't need to use other conditioner after dyeing hair. The black hair dye effect can lasts up to 30days. Not easy to fade. But in order to maintain the glamorous and shiny hair color, you can use it every 3-5 days or every day for your prefer. Show your hairstyle anytime and anywhere. PERFECT AFTER-SALES: We provide perfect after-sales, you have any questions can ask on the platform, we will reply you within 24 hours, to provide you with the perfect shopping experience.