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Sign in to unlockCOSRX BHA Blackhead Power Liquid is a cult-favourite exfoliating treatment formulated with 4% Betaine Salicylate derived from natural willow bark water. Designed to dissolve blackheads, unclog pores, and refine skin texture, this gentle yet effective BHA liquid is a staple in Korean skincare routines for clearer, smoother skin. Suitable for oily, combination, and acne-prone skin types.
After cleansing, soak a cotton pad with COSRX BHA Blackhead Power Liquid and gently sweep across face and neck, focusing on congested areas. Use once daily, preferably in the evening. Follow with toner, serum, and moisturizer. Always apply SPF in the morning when using exfoliating products. Avoid use around the eye area.
Salix Alba (Willow) Bark Water (87%), Butylene Glycol, Betaine Salicylate (4%), Niacinamide, 1,2-Hexanediol, Sodium Hyaluronate, Allantoin, Panthenol, Xanthan Gum, Ethyl Hexanediol. Full ingredient list may vary — please refer to product packaging.
| Brand | COSRX |
|---|---|
| Product Type | Exfoliant |
| Size | 50ml |
| Suitable For | Oily, blemish-prone skin |
Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product.

This item is out of stock. The products below share the same key ingredient.
Formulas, textures and other ingredients differ between products. Patch-test new skincare first, and ask our pharmacist if you are unsure. Ask a pharmacist on WhatsApp
Apply to cleansed skin after cleansing, using a cotton pad or fingertips, then continue with the rest of your routine.
Start with a few times a week and increase gradually as your skin tolerates it.
BHA liquids like this generally suit oily and blackhead-prone skin.
Yes, exfoliating acids can increase sun sensitivity, so daily sunscreen is recommended.
It's best to introduce one active at a time and avoid combining multiple strong exfoliants; ask our pharmacists if unsure.