BiodermDOG contains Biotin and Zinc to strengthen your dog's skin and coat health and reduce hair loss. Increases the durability of nails. It is a dietary supplement enriched with Zinc and Biotin. It is specially formulated to meet biotin and zinc needs. Helps them to have elastic and dandruff-free skin. Zinc is vital for the synthesis of collagen and creatine. It therefore has healing properties and helps animals to have a more beautiful coat.