Arnica montana

Arnica is used for bruises, sprains, muscle soreness, and muscle spasms often associated with sports activity. Arnica is also used to treat muscular aches, joint pain, and arthritis. It is believed that the arnica plant has anti-inflammatory properties.
It has been used externally for acne, bruises, sprains, and muscle aches. It has also been used as a general topical counterirritant and a CNS stimulant, as well as an antibacterial for abrasions and gunshot wounds. Arnica is also an ingredient in hair tonics, dandruff treatments, perfumes, and cosmetics