Arnicaeze Arnica Gel for muscle pain and bruising contains Arnica tincture, which is traditionally used in homeopathic medicine to relieve the symptoms of bruising, soft tissue trauma and swelling resulting from training and sporting activities. Arnica is also used to help relieve muscular aches and pains. The gel is quickly absorbed into skin, is odourless and non-greasy, so it won’t stain your clothes.