Usnic acid, as the main active ingredient of Beard Lichen Extract, is an antimicrobial, antitumor enzyme inhibiting agent shown to uncouple oxidative phosphorylation in mouse-liver mitochondria. Usnic acid induces necrosis in certain cells. 

Product name: Beard Lichen Extract

Plant source: Dried Lichen of Usnea diffracta Vain. or Usnea longissima Ach.

Active Ingredient: Usnic Acid

Structural Formula

CAS Number: 125-46-2 

Molecular Formula: C₁₈H₁₆O₇

Molecular Weight: 344.32

Characteristics: Yellow crystal powder

Specifications

Usnic acid 25-98%  HPLC

Function

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