Activene Pain Relief Cream is a unique blend of Arnica Montana - also known as leopards bane. It contains MSM (methylsulfonylmethane), an organic sulfur compound naturally occurring in plants, animals, and humans. It aids collagen formation, helps maintain the structure of connective tissue, and reduces inflammation. Menthol (3.7%) is found in peppermint or other mint oils. Provides deep, penetrating pain relief, cools the skin, and acts as Activene is a trusted pain relief for back, neck, shoulder, elbow, knee pain, and other muscle and joint pains. Chosen by sufferers of Arthritis, Tendonitis Bursitis, Sciatica, Shin Splints, Neuropathy, Fibromyalgia, and Plantar Fasciitis.