Domoso Roll-On 100gA topical gel to aid in the reduction of acute pain, inflammation and swelling in dogs and horses. Domoso Roll On is a topical anti inflammatory analgesic roll on gel containing 90% medical grade dimethyl sulfoxide. It aids the reduction of acute swelling due to injury or trauma in horses and dogs. Apply to the skin over the affected area 2 3 times daily, according to individual condition and response. Active constituents: 900mg g dimethyl sulfoxide