natural blue dye indigo naturalis

Product name: Indigo naturalis Origin: Baphicacanthus Cusia Used part: Leaf Appearance: Dark blue or grayish blue fine powder Odor: Slightly grass smell Characteristics: light, easily flying upward Assay Indigo (C16H10N2O2) ≥2.0% Indirubin (C16H10N2O2) ≥0.13% Effects 1.Natural blue colorants: for food, hair dye, tooth paste, cream and fabric jeans. 2.Treatment: high fever, chronic myelogenous, eczema, children epilepsy, nose bleeding, chronic myelogenous leukemia, mouth inflammation, sore throat, gum inflammation, tonsillitis, boils on tongue or in mouth, coughing, insect or snake bite, Psoriasis and etc so on.. 3. It can be used to draw-eyebrows. Applications Medicine, food, cosmetics and other daily chemicals like soap/tooth paste/hair dye products.