Far Infrared Therapy Patch can be used for the relief of gout, arthritis, sciatica, lumbar muscle strain and other related symptoms. Far infrared therapy patches emit special rays that interact with water molecules in the body, increasing temperature in deeper tissues. As a result, the immune system is enhanced, tissues regenerate better, and nutrients are delivered more efficiently, leading to overall physical well-being.When the far-infrared ceramic powder mixes with the binder the far-infrared ceramic powder will absorbs bodys heat and emits infrared energy which can promote the improvement of whole-bodys blood circulation,enhance metabolism,improve immunity and reduce inflammation and swelling.Far Infrared Therapy Patches address the concern regarding knee pain, as well as providing relief for lower back pain and stiff neck. Our patches deliver natural ingredients directly through the skin, providing a non-invasive and user-friendly method to enhance knee, lower back, and neck health.How to use?1.wash your hands before applying the patch. 2.Clean and dry the affected area. 3.Bend the patch and detach the film to expose part of the adhesive side. 4.Apply the adhesive side directly to the skin in the affected area. 5.Remove plastic film by sliding the backward 6.Only apply 1 patch to the affected area, this can then be left in place for up to 8-12 hours. 7.Wash your hands after removing the patch. 8.If pain recurs 8-12 hours after applying the first patch, a second patch can be applied. Please remove the first patch before applying a one.