COOL-X Cooling Gel: Fast-Acting Treatment COOL-X cooling gel is a fast-acting treatment designed to help with muscular and sports injuries. This cooling gel reduces swelling, relieves muscle tension and cramps, and promotes muscle recovery after exercise. Benefits of COOL-X Cooling Gel: Reduces swelling effectively. Relieves muscle tension and cramps. Promotes muscle recovery after exercise. Does not smudge or flake off. How to use COOL-X Cooling Gel: Massage the cooling gel onto the area to be treated at approximately 2-4 hour intervals. Be sure to wash your hands thoroughly after each treatment. Warnings for COOL-X Cooling Gel: Avoid getting the gel on sensitive skin, in the genitals, or on mucous membranes. Packaging of COOL-X Cooling Gel: 150 ml.