CryoDerm Gallon pump provides fast acting, deep penetrating, long lasting pain relieving cold therapy that is clincally proven. Use CryoDerm® for soft tissue injuries, muscle strains, sprained ligaments, neurological conditions, arthritic bone and joint conditions, tendonitis, neuritis, bursitis, neuropathy, neuromas, and plantar fasciitis. The secret of this pain reliever is its deep penetrating, long lasting cold sensation, and other natural ingredients ingredients such as arnica (to reduce swelling), boswella (for anti-inflammatory and anti-arthritic actions), eucalyptus( for its warming properties and anti-bacterial nature), ilex ( to loosen joints and reduce swelling), menthol (to activate peripheral cold receptors), MSM (an essential healthy tissue found in joints), peppermints oil (for its anesthetic properties, purified water and SD-Alcohol 39-C (an all-natural distilled grain alcohol for external use only). 1 Gallon pump. Excellent for long term usage.