How does Icekap work?Updated 4 months agoCold temperatures have been used for centuries to soothe headache, inflammation, and general pain. Blood vessels constrict when they’re exposed to cold, which can help reduce the transmission of pain signals.Keep your Cool Cap in the freezer (in a freezer bag, if you have one), and whenever you need relief, just take it out and put it on your head. Take a moment to tighten the straps to your desired level of compression, and then you’ll feel the relief begin to wash over you.Here is a great video showing the Cool Cap in use and highlighting some of its features: Was this article helpful? YesNo