VetriScience Derma Strength™ Dog ChewsDerma Strength is an omega fish oil supplement for dogs to support skin and coat health, and help reduce seasonal or excessive shedding. These tasty chews can help maintain the luster and sheen of your dogs coat while supporting skin elasticity and resilience. Vitamin E and omegas 3, 6 and 9 support a healthy recovery, normal shedding and overall skin and coat health. Derma Strength chews are designed to support: Coat sheen, luster and proper skin