Effective for temporarily relief of various minor aches and pains of muscles and joints including: minor backache, arthritis, strains, bruises and sprains. Contains camphor, which is effective at stimulating blood circulation in injured body parts. This can help to reduce pain. The increased circulation to the body part helps to relieve pain and to also increase the absorption of the other ingredients in the plaster. Also contains menthol, which is an analgesic that can help to relieve pain in affected body parts.