From: China Weight : 500g Saponaria shampoo can help scalp dandruff, black hair & prevent hair loss. Because saponins are rich in plant nutrients such as fat, protein, polysaccharides, saponin, & caffeine, they can help scalp cells get nourishment, promote hair regeneration, & prevent & treat scalp itching. 500G 100% Pure Nature Soap Horn Powder, Gleditsia Sinensis Zao Jiao Saponaria