Competition 1 stimulates the blood flow and helps to prevent the build up of lactic acid the oil generates heat quickly after application and doesn39t draw the blood out of the muscles to the skin so the legs don39t turn red competition 1 is a 100 natural product with no preservatives works with natural heaters as wintergreen penetrates straight into the skin with immediate beneficial effects use morgan blue lotion to remove competition 1 do not apply to open or damaged skin wash