Furzero Knee-Pain Patch is produced with the aid of plant extracts such as wormwood essence. This patch is backed by science to deliver fast acting, long lasting and deep penetrating pain relief for sore joints,sore muscles,and inflammation. The Furzeroď¸ uses targeted stimulation to provide vital elements that increase blood flow, eliminate inflammation and help restore the natural cartilage layer in the knee which results in the reversal of damage and elimination of your chronic pain, osteoarthritis and swelling & stiffness. Furzero Natural Knee Pain Patches (total body recovery, all-natural formula) contain six powerful, proven ingredients used by millions of people around the world to effectively treat arthritis and bone-related conditions. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.