Natural Chemistry Natural Flea And Tick Shampoo With Oatmeal Can Be Used On Any Age Dog. Contains oatmeal oriteubs to moisturize and nourish dry coat. Spot test on light color coats before use. Made from Sodium Lauryl Sulfate, Cinnamon Oil, Cedarwood Oil, Clove Oil, Water, Vanillin, Oatmeal. 16.9 Fl Oz.