Park Han-byul says changing shampoo helped her hair loss — but does it really work?

Click here for more articles by Kormedi.com. Actress Park Han-byul, 42, recently shared her concerns about thinning hair, saying that changing her shampoo made a noticeable difference after other remedies failed to deliver results. But can switching shampoos really prevent or reduce hair loss? In a video posted to her YouTube channel on Wednesday, Park said she had noticed her hair becoming…

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