DMSO (Dimethyl sulfoxide) Gel 16oz. 99% reduces inflammation in joints and in areas where trauma has occurred as the result of injury. DMSO is a colorless liquid derived from lignin, the natural material that bonds together the cells of trees.It is extracted during the manufacturing of pulp and then processed. DMSO Gel is an organic, non-synthesized product. DMSO has been approved by the FDA for use in dogs, and horses. WARNING: This product is sold as a solvent only. It is unlawful to represent in any way that this product is useful or safe for medicinal purposes.