Extract derived from a plant commonly known as fireweed or willowherb/willow herb. Can have antimicrobial, anti-irritant, and antioxidant effects on skin. Fireweed is thought to work in hair minimizing facial creams; lessening hair regrowth by denaturing the hair shaft helix.
Phytomedicine, May 2011, pages 557–560
Journal of Agricultural Food Chemistry, October 1999, pages 3,954–3,962
Il Farmaco, May–July 2001, pages 345–348