Kpop Idols Balding. Yes Kpop idols do dye their eyebrows. Because of that some idols actually suffer from hair loss and other problems due to the fast-paced hairstyle changes.
The majority of Kpop idols that dye their are the ones that also dye their hair. However these particular idols probably wont ever have to worry about losing hair permanently. Baldness usually happens because the genes run in the family.
Some have started balding as young as 20 because of hair dying.
Due to frequent hair dyeing and high stress levels many k pop idols are balding. Bald may be a little extreme but these idols hairlines certainly seem to have receded over the years. The ones who dye their hair the most often are really the most at risk but as OP pointed out its also genetics. Because of that some idols actually suffer from hair loss and other problems due to the fast-paced hairstyle changes.