Wolcure Fever Free Cooling Patch is designed to provide temporary relief from fever, headache, migraine and sunburn. These cooling patches are macromolecule gel patches that is developed with thermodynamic technology to provide temporary fever relief. It works with the body’s natural cooling system, helping to cool the body. With its hydrogel high technology, it is ready to use and needs no refrigeration. It works immediately by providing instant soothing and constant cooling relief up to 8 hours. These cooling patches changes to pink if fever is detected. Wolcure Fever Free Cooling Patch is soft and gentle on the skin and provides instant cooling. It is safe for babies and can be applied on forehead while sleeping. These gel patches are non-medicated and have no side effects and can be used safely with all medications.