Brand from Japan: Rohto Mentholatum. Contained Japanese patented ingredient Greyverse TM, combined with Swiss patented ingredient Darkenyl is combined with 50 precious hair nourishing ingredients.Activate the formation of melanin in the hair, promote melanin transfer.Delays the growth of gray hair by 90% in 2 months, and reduces gray hair by 30% in 3 months, the black hair can gradually reappear.The formula has passed the sensitive scalp test and the ingredients are mild and non-irritating.5 functions to reappear black hair:1.Stimulates hair follicle stem cell reproduction, increase melanocytes and improve melanin productivity.2.Protects melanocytes and promotes the formation of melanin in hair root follicles.3.Reduce reactive oxides produced due to age, lifestyle habits, stress and other factors, to protect melanin from being decomposed and delay oxidative aging of hair roots.4.Promote the transfer of melanin from hair roots to hair strands, helping restore hair’s original color.5.Contains 50 kinds of