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May 19, 2015 02:00 PM

Lindsay Lohan is the latest celebrity to voluntarily expose her body to freezing temperatures for possible health benefits.

The actress shared a series of photos and videos on Instagram preparing for – and undergoing – cyrotherapy, a procedure that involves entering chambers kept at temperatures of -180 degrees or below for brief periods of time. It can be used to treat a variety of ailments, including joint pain, muscle pain and stress.

Lohan first shared a photo on Sunday of an ice bath with the caption, “Ice bath time! Getting ready for my week of hard work and my Cryotherapy tomorrow.”

She then shared two videos of herself dipping into the freezing water, looking shocked and um, very cold, after the experience.

As unpleasant as those ice baths looked, they were just the warm-up (or cool down?) for the main event – her first cyrotherapy session, of which she shared a video on Monday.

After initially exclaiming, ‘Oh my God,’ the actress seems pretty calm.

“3:00 minutes!!!! Negative 256 degrees Fahrenheit,” she captioned the video.

Derek Hough and Mandy Moore have also both tried out the new chilling trend.

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