It’s basically the dream — you lay down in a magic pod for a half-hour and come out younger, lighter and a lot more relaxed.

That’s the promise behind the Iyashi Dôme, a “Japanese sauna” that the makers say can reduce wrinkles, improve sleep, hydrate skin, promote muscle recovery and even help you lose weight.

But under all the sweating — and I mean sweating — can 30 minutes infrared therapy do all that? I put it to the test (and even checked what my Oura ring had to say about the effects). 7

If you’ve ever visited a Japanese sento — or bathhouse — you may have spent some time schvitzing in the sauna. But you may not have seen anything like the Iyashi Dôme.

That’s because there are only about 800 of them in the world, mostly in high-end hotels in Paris and Dubai. And there are j

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