... EDTA2Na, amid acid, Chinese medicine natural pigment, water.[Using method]1.Wash scalp, hair grease repeatedly to ... pharmacy to smudge each hair evenly, less contamination of scalp, wear the bath cap to maintain temperature ... it will be better to extend the holding time of 1# pharmacy for 10 minutes, and 2#, ... our product is natural hairdye, non-toxic, no side effects, feel free to use.5.The product is ...