Cryotherapy was made in the 1970s for rheumatic diseases such as arthritis and fibromyalgia. Over time they have discovered it also helps with muscle rejuvenation, sleep, chronic pain, and anxiety. It also increases your metabolic rate, increases collagen production, and can decrease cellulite.
The process consists of stepping in a chamber, with your head visible, staying in there for 3 minutes max while the temp drops to -130 Celsius. It is comparable to an ice bath but much quicker and you do not get wet!