O2 Heat is a unique blend of botanicals, mixed with O2 Activated Oxygen solution, to help relieve muscle pain. Designed for both serious competitive athletes and weekend-warriors. O2 Heat is also an excellent topical relief spray for anyone suffering from joint and muscle pains. Ingredients include Brazilian Menthol SD Alcohol, Plant Derived Mineral solution Phyto•Ionic™ Multi-Mineral Blend Dimethylsulfone (MSM), Sodium PCA, Hypnea musciformis Extract, Gellidiela acerosa Extract, Sargassum filipendula Extract, Sorbitol, Eucalyptus Extract and Peppermint oil. 60 mL Spray.