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Stuff we bought and reviewed - picked for KO, EN, and ES audiences.

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COSRX BHA Blackhead Power Liquid placeholder

COSRX BHA Blackhead Power Liquid 100mL

COSRX · Olive Young · Wellness

Check current price on Olive Young

K-beauty wellness staple that crosses into English and Spanish skincare communities with little explanation.

What to check
A 4% BHA betaine salicylate liquid often used as the second step after toner; verify the 100mL variant, batch fragrance, and skin-test guidance before reviewing.
Price
Standard tier
Check current price
Merchant checkout price applies.
Why it made the list
  • One of the most-cited K-beauty BHA picks in EN and ES skincare TikTok.
  • Routine-fit content - works with the existing toner/essence rows on the site.
  • Under the per-item soft cap with a long usage window for follow-up review videos.
Skin types
oily, combination, acne-prone
Use cases
blackhead control routine, twice-weekly chemical exfoliation
Alternatives
Paula's Choice 2% BHA Liquid, Some By Mi AHA BHA PHA
Last checked
2026-05-12