Homeopathic Medicine. Pain relief. Neck, back, shoulder & leg. Muscle pain & stiffness. Swelling from injuries. Bruising. Quickly absorbed. Non-greasy. Paraben-free. Works naturally with your body. Feel better faster. No. 1 homeopathic arnica pain reliever. Boiron: world leader in homeopathic medicines. Use Arnicare at the first sign of pain and feel better faster!