Kim Kardashian relaxes in a red light therapy bed. Chris Hemsworth can’t stop cold plunging. And Gwyneth Paltrow loves sweating it out in an infrared sauna. While these activities may not be ...

said she doesn’t touch the salon’s tanning beds. Rather, she’s been drawn to the variety of spa offerings at the salon, including its dry sauna pod and red light therapy booth. “ ...

Many celebrities swear by red light therapy beds and other state-of-the-art wellness trends. Do they work? (Getty Images) ...