Gallon Size -- Made especially for pets with persistently sensitive, dry and allergic skin, this extra-mild, tearless shampoo is so gentle that it won’t irritate while it cleans. Pure and emollient-rich, it also helps to repair dry, brittle coats. Excellent for use with all spot-on and spray-on insecticide products. For best results, use with Hypoallergenic Creme Rinse. See pricing for information on volume discounts. May be diluted 10:1.