Herbal essence formulaMild and non-irritating,nourish the scalp.Forget white and grey hair. Simply apply a dose of this great instant hair shampoo and look as young and vivid as you feel. 100% Gray Hair CoverageSuitable for all types of hair, including thick, fine and normal-density hair, as well as straight or curly hair textures. Effectively cover gray hair, you will no longer be affected by gray hair. Instant Black Hair ShampooThis product is simple and convenient to use,you can dye hair at home,just need to put on gloves,and use it the same as normal shampoo,wait for only 10-20 minutes,you will get the hair color you want. 3 IN 1 Hair ProductOne product ,three uses.The product can be used not only as a black hair dye ,but also as a hair shampoo and hair conditioner,which is really economical and affordable. Black Hair ColorPolygonum multiflorum can treat the hair,strengthen the hair roots,make the hair strong and soft. Argan oil and ginseng extract nourish the hair silk,make the hair dark and shiny.Natural black hair lasts for more than 30 days.