Beta hydroxy acids

COSRX BHA Blackhead Power Liquid Review

What puts the power in this 'power liquid'? Plus, a bit of a refresher on BHAs and their role in skincare.

My mom enjoys Korean dramas, Sudoku puzzles, and extracting blackheads. That’s right, those annoying little black dots that appear when your pores get clogged but stay open. When I was a teenager, I had acne on my back (“bacne”), so my mom used to beg me to let her squeeze out my blackheads. She was excited for me when I got into college, she was happy when I made her favorite scones, but I don’t think I’ve ever seen her more delighted than when I grudgingly agreed…