On the April 4 airing of MBC's 'Radio Star', LOCO confessed he's suffering from hair loss and said, "I had a lot of hair but I started losing it in my third year in high school due to stress. I believed my hair would grow back when I entered college, but I lost even more because I took an extra year to study for the entrance exam."
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Even after entering college, LOCO continued to lose hair when producing music. He expressed frustration, saying, "I want to walk around with no hat so I thought about how I could cover up the scalp. My pride doesn't permit hair powders so I tried bleaching and it worked. For a while, I bleached my hair once in two weeks. But my scalp got damaged and I lost more hair."