Best hair shampoo is a hair-care product in a formula of natural luxurious French herbal medicines,developed by Yucaitang International Research Center based on the charateristics of hair of Oriental,combining international advanced biolagical hair-care technology with secrete recipe of traditional French medicine extraction. The breakthrough innovation made by the mysterious natural best hair shampoo eliminates the fear of cancer due to hair dye.Dexe black hair shampoo is a natural,non-toxic and hurtles product with high technology.During the procedure of hair washing,you have complete the whole process of nutrition,hair-care,hair protection,restoration and darkening,It has the advantages of low cost,time-saving,trouble-saving,easiness and convenience,in long-term use,the herbal active elements can gradually enter hair follicles and form pigmentation,providing healthy,dark and shinny hair no matter what type of hair you have .