KOOL'n'SOOTHE migraine is a soft gel sheet designed to provide immediate cooling relief to the severe discomfort associated with migraine and headaches. Comforting and soothing, they provide a gentle continuous cooling effect for up to 8 hours helping you through your migraine. Kool 'n' Soothe migraine is non-medicinal so safe to use with pain relief medication to maximize your relief. For best results use at the first signs of migraine/ headache.