BTOB‘s Ilhoon is currently facing controversy after being accused of purchasing and habitually using marijuana.

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In light of the controversy, his appearance on Mnet‘s TMI News last year has resurfaced in online communities due to his hair

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On this day, Ilhoon appeared with both his hair and eyebrows bleached.

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Regarding this hairstyle, Ilhoon explained that he did it for his sister’s wedding, but that his family didn’t like it.

I went from mint to blonde for my sister’s wedding. But my family scolded me asking why I couldn’t just have normal black hair. Idols should always be prepared.

— Ilhoon

But in light of his marijuana controversy, netizens are suspecting that Ilhoon actually bleached his hair because of marijuana.

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Bleaching hair is known as a popular method of preventing the detection of the drug in the hair.

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However, due to other detection methods used by investigators, it’s known to be difficult to get away with it by bleaching the hair alone.

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Ilhoon was forwarded to prosecution last July on charges of habitual marijuana use over the course of 4 to 5 years, and he’s currently under investigation.