It appears that sweating has never been so beautiful.
That's right, you can now go to a shop and pay to sweat. After parting with your money, you stand on a machine which vibrates till you sweat. And you'll leave looking more beautiful than when you arrived.
According to the poster, in addition to the beautifying of your body, the machine is also ideal for people with constipation - so basically, the machine shakes the crap out of you, both literally and metaphorically.
This particular establishment has since closed down.