BiodermDOG | Skin and Coat Support with Zinc, Biotin and Omega-3 for Dogs BiodermDOG is a nutritional supplement for dogs, enriched with Zinc, Biotin and Omega-3, which promotes the formation of glossy coat and healthy skin. Specially formulated to meet the need for biotin and zinc in dogs. Biotin and Zinc in BiodermDOG strengthens the skin and coat health of your dog and helps reduce shedding. Increases the durability of the nails. Strengthens the immune system of your dog and makes him more resistant to diseases. Content; Zinc is vital in collagen and keratin synthesis. Its healing properties helps keep your dog’s coat healthy and lustrous. BiodermDOG is a nutritional supplement for dogs, enriched with Zinc, Biotin and Omega-3, which promotes the formation of glossy coat and healthy skin.