Never use When you are allergic to Arnica montana or to any of the merchandise’s inactive components. Arnica also blocks the creation of the collagen-degrading enzymes MMP1 and MMP13. Mutations that affect these genes might reduce the results of arnica on arthritis and bruises [24]. By clicking “Acknowledge All Cookies”, https://griffinwpfam.dgbloggers.com/35046592/the-basic-principles-of-arnica-cream-for-bruise