CryoTherapy Boulder, Boulder

A wintry chill creeps across skin inside CryoTherapy Boulder's cryosauna, but the result isn't frostbite. Instead, cryotherapy uses its near-freezing temperatures to fight inflammation, boost metabolism, and kick-start collagen production. Praised by health guru Dr. Oz for its physical and cosmetic benefits, the treatment floods pores with cold nitrogen gas, forcing the brain to kick bodily reactions into overdrive after sifting through long-forgotten chemistry notes for the proper response. The nippy chamber encloses bodies but leaves heads poking out during three-minute sessions, which may relieve postworkout muscle pain or unearth supple skin by dismantling toxins lurking below the surface.