Cupping helps increase circulation to an affected area. It is useful as a pain-relieving tool, as well as to enhance immune function and promote detoxification. Cupping is the use of glass cups from which the oxygen is removed by fire. The cups are then placed on the skin, creating a vacuum, drawing the skin and muscular tissue up, and breaking the tiny capillaries at the surface of skin. This action promotes the regeneration of new blood vessels, helps the body rid itself of toxins, reduces muscular tension, and even diminishes cellulite. Although one should expect bruising for a few days after receiving cupping, this treatment is safe and yields significant results. People often compare the sensation of cupping to a massage.