Arnica montana, the Latin name for arnica, has been recognized for its beneficial natural properties since the 16th century. It has been harvested for centuries in the mountain peaks and marshes of Europe and North America. A vibrant yellow flower often found in mountainous regions, Arnica has been used to soothe and care for the skin.
 Lyss G, Schmidt TJ, Merfort I, et al. Sesquiterpene Lactone from Arnica selectively inhibits transcription factor NF-KB Biol chemistry 1997 Vol 378 pp. 951-961.