Advice of use syntholkine patchs heating: open the bag at the time of the application and remove the transparent protective film of the patch. Apply the adhesive face directly to the painful zone, to the dry skin (without cream or oil) and not irritated. Press firmly on the extremities of the patch to guarantee its position. After 8 hours, remove the patch. Precautions syntholkine patchs heating: Ask for a medical opinion in case of pregnancy, of diabetes, of poor blood circulation or of polyarthrites without medical opinion Disadvised in children under age 12. Do not apply the patch to a wound or a hurt skin. In association with a cream. Do not use during your sleep. Read attentively the note Respect terms of service single use not ingest not to put in microwaves Hold out of reach children. Composition syntholkine patchs heating: Iron, activated charcoal, vermiculite, salt, water, excipients qsp 100 %. Box of 2 heating patchs syntholkine patchs