Usnic acid powder is extracted from Usnea. Usnea looks like long, fuzzy strings hanging from trees in forests. In natural remedies, especially in the veterinary medicine, usnic acid powder is used in powders and ointments for the treatment of infections of the skin. As a pure substance,it has been formulated in creams, toothpaste, mouthwash, deodorants and sunscreen products, in some cases as an active principle, in others as a preservative.

1.It is a kind of spectrum antibiotic,inhibit most gram-positive bacteria.
2.Usnic Acid also has inhibition function to the trichomonas vaginalis.
3.It has a certain curative effect to cure cervical inflammation, perineal rupture, dysentery and skin disease.
4.It is used as an antibacteria agent in cosmetics and ointments to prevent skin infection. It is also used in formulating deodorant, mouth-care products.