 Once you get to that temperature level on all parts of your skin, session's over. There is an intense level for people who are brave and acclimated to the cold, yes, that it will not shut off after it hits the skin temperature. It will shut off if your skin gets dangerously low. That's the great thing about it. It's got these sensors in there. And if your skin, I believe it's around 36 or 37 degrees Fahrenheit, it'll shut off.