At Simple Promise™, we are so sure of the effectiveness of our product that we are willing to put the entire risk on us. Our industry best 365 Days Money Back Guarantee states that either you’re 100% satisfied, or your money back. You can place your order safely and knowing that absolutely nothing can go wrong. Give Xitox™ a try and see the difference it would bring to your life. If at any time you are not happy with Xitox™, just send back your empty boxes and we will refund you immediately. No questions asked. We pride ourselves in our product and service and want you to be absolutely satisfied.