) Dermaquin Plus for Dogs is a rich source of Omega-3 fatty acids derived from fish oil. Dermaquin Plus helps support the coat and skin, not just on the surface, but also within the inner layers of the skin. In addition, fish oil aids normal heart rhythm, kidney health, and joint tissues. Each tsp. contains a minimum of 1300 mg Omega-3 fatty acids. Feed approximately 1 tsp. per 40-80 lbs. body weight daily.