1.Indigo naturalis,indigo dye 2.Indigo 2%, 3%,4%, indirubin 0.3%, 0. ... .to treat Psoriasis Model No.:CHE-064Product NameIndigo naturalis, indigo dyeUsed PartLeafLatin Name Baphicacanthi CusiaeActive IngredientsIndigo, indirubinSpecificationsIndigo Blue 2 ... life, and enjoy it!Company ProfileXi’an ChinWon Biotech Inc. is located in Shaan Xi China, where is ... us to be your reliable supplier? Best indigo dye