Plant Source : Usnea
Properties: light yellow crystalline powder
Content : 98% HPLC
Chemical formula : C18H16O7
Molecular Weight: 344.32
Products: usnic acid extracted from Usnea, Usnea actually a lichen, hanging from a tree much like the long wool usnic acid in the form of a powder or ointment used to treat skin infections usnic acid in. skin cream, toothpaste, mouthwash, deodorants and sunscreens act as the active ingredient, or play a preservative effect.