We offer a full 30-day money-back satisfaction guarantee on all DynaMAXX products, excluding the 2-Day Sample Pack. If, for any reason, you are not 100% satisfied with any DynaMAXX product, simply contact our customer support team within 30 days of purchase at 972-573-0999 or email support@dynamaxx.com for instructions on receiving a full refund, less shipping and handling charges.