We take you and your pet’s happiness very seriously and we stand behind all our products with a happiness guarantee. While we are confident in the quality and efficacy of our products, we understand that not every product works for every pet. If ever you are not completely happy with a product purchased from one of our authorized sellers for any reason, we encourage you to return your product to the original seller for a full refund. If they are not able to resolve your issue, you may also contact us within 90 days of purchase to request a refund or replacement.