Conan O'Brien and Steven Yeun Conan O'Brien and Steven Yeun

What happens when Conan O'Brien and Steven Yeun of The Walking Dead visit a Korean spa? A lot, apparently.

The duo stripped down and made friends with other naked men in the sauna before jumping into the cold tub, which looks about as unpleasant as it sounds. Then they had their flesh ripped off in a body scrub that actually turned Conan's skin as pink as the plastic beneath him.

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I don't think this spa sounds very relaxing, but maybe I don't understand what spas are for. Watch the entire hilarious, naked adventure below:

But how did his hair stay so perfect the entire time?