Maximum strength ibuprofen 10% gel contains the active ingredient ibuprofen. Ibuprofen is a simple painkilling medicine used to relieve mild to moderate pain and inflammation. It is used for the topical treatment of backache, rheumatic and muscular pain, sprains, strains and neuralgia. Ibuprofen gel can also be used for symptomatic relief of pain that may be caused from non serious arthritic conditions and various sports injuries. Once ibuprofen gel has been applied to the skin, it is absorbed into the underlying tissues in order to reduce pain and any inflammation in the local area. Please note that results may vary.