4head QuickStrip is an advanced frigorific hydro-gel patch, specially formulated to provide instant cooling relief from the pain of headache and migraine at the point of pain, and to help relax tense head and neck muscles. Benefits of 4head QuickStrip: Fast, dual action relief for whenever headache or migraine strike. Can be used with or without oral medication Formulated with natural levomenthol Instantly cooling and soothing No need to refrigerate Leaves no visible residue Can be cut to size 4head QuickStrip works in two ways: 1. Its advanced hydro-gel strip provides evaporative cooling relief from headache and migraine, at the point of pain. 2. It also helps to relax tense muscles in the head and neck. 4head QuickStrip works without refrigeration and a single strip can work for up to 6 hours.