Boiron Arnicare is known for relieving muscle aches and stiffness, due to minor injuries, overexertion, falls and blows. It helps reduce pain, swelling and discoloration from bruises. Arnicare Gel is made from Arnica montana (a mountain plant from the daisy family), which is 100% natural. Arnica Gel has a cooling effect for fast pain relief. It is recommended by doctors, plastic surgeons and pharmacists, and is used by professional athletes.