... technology of skin penetration. Its nutritional components such as Glucosamine Sulfate , Chondroitin Sulfate etc. Penetrate the skin deeply ... function, then are directly absorbed by the joints. Ingredients: Glucosamine Sulfate , Chondroitin Sulfate, DMSO, Menthol, Natural Vitamin E, ... Keep out of reach of children. Main Ingredients Percentage:Glucosamine Sulfate: 2%Chondroitin Sulfate: 4.8% DMSO: 5% ...