Shouwu Darkening Shampoo Bar - Unlike ordinary hair dyes, this darkening shampoo is made with all-natural herbal ingredients. It is chemical free, dyes and protects hair follicles and scalp from irritation. Natural Hair Therapy - Contains precious herbs such as Polygonum multiflorum to reactivate the hair pigment cells melanocytes. Other ingredients include Polygonum multiflorum, ginseng, ginger, olive oil, etc. to keep the scalp healthy, and peppermint to deeply purify the scalp. Reverse grey hair - just apply a dose of this natural darkening shampoo like a normal shampoo and instantly transform your grey hair into youthful, vivid, and regain your confidence. Promote Hair Growth - Promote scalp blood circulation and effectively prevent hair loss. Stimulates the growth of hair follicles and keeps the hair follicles firmly in place for 4 weeks of continuous use. Restore hair colour - Nstantly restore your natural hair colour, from grey hair to vivid dark colour, use the new Hair Darkening Shampoo Bar to restore your self-confidence and make you look and feel younger.