Won Bin's Sweaty Armpits.

Won Bin also suffers from sweaty armpits.

A picture of the actor was uploaded to an online blog with the title "Won Bin's arm stain"

In the picture that was taken as advertising for Hite beer, Won Bin is holding the beer wearing a white shirt, with his brown and swept hair, sporting a flirty smile, and leaning against a camping car. the sweat stain is visible from the side.

Netizens who saw the picture commented "Wow. I guess Won Bin is human after all.", "They photoshopped the stain" "he never had an embarrassing picture before." and more.  

Won bin have been busy appearing as the face for various brands like men cosmetics, a bakery and beer.