Zymox Shampoo with Vitamin D3 for Dogs and CatsZymox shampoo is naturally antimicrobial due to our patented LP3 Enzyme System. Each enzyme has its own unique property, but the combination of enzymes works together to provide a powerful punch to your pets skin problems. Weve added no antibiotics, alcohol or drying ingredients, leaving your pets skin and coat, clean, smelling fresh and irritation free. Helps provide relief to pets with itchy & inflamed due to allergies, hot spots, mange & more