Song Joong Ki is not only envied for his good looks, but also for his flawless skin. So in 2010, he shared his secrets by publishing Beautiful Skin Project for Men, with the help of beauty editor Hwang Min Young. He now plans to unveil a Japanese version of the book for his Japanese fans through Nikkei BP, complete with never-before-seen pictures and a special message for his Japanese readers and fans. Song Joong Ki's pale and clear skin earned him the honor of becoming the face of Seoul Milk last year. During a press conference last year, his Werewolf Boy co-star Park Bo Young expressed her jealousy of his skin, and asked for skin care advice. He told her his secret was "an apple a day." Don't you want to know Song Joong Ki's skin care secrets? What do you think they are? (Source: