Atopivet® Collar for Medium & Large Dogs - 75CMThe Atopivet Skin Repair Collar is a collar designed specifically for dogs and cats. It contains the patented ingredient Biosfeen, which diffuses through the skin and helps maintain healthy skin integrity by moisturizing your pet's skin. Product Features Imported from Spain Biosfeen is a patented ingredient developed by Bioiberica, containing ceramide and sphingomyelin. Sphingomyelin is a precursor to ceramide. Increasing ceramide levels in the skin