WAHL Shed Control Shampoo is formulated with plant based ingredients to help control shedding. Sage, Aloe, Oatmeal and Lemongrass work to bring down your pet's shedding and dander. It is a gentle formula as are Wahl's other shampoos as well and ideal for pet parents who want to avoid using strong chemicals on their pet's coat. This shampoo formula is PEG-80 free.