COSRX BHA Blackhead Power Liquid
By Nur → Last verified 10/5/2026
Price checked 10/5/2026
Verified 2026-10-05 on StyleKorean: $17.50 (list $25.00; 30% off). Prices change often, so confirm on the retailer's page.
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What we found
Based on how this product compares to others in the serums category, cross-referenced against retailer listings and market data.
Strengths
- + Contains niacinamide, betaine salicylate, sodium hyaluronate and panthenol
- + The full ingredient list is published by the brand
Worth knowing
- - Contains exfoliating acid (betaine salicylate), which can irritate; use sunscreen the next day
- - This is a leave-on exfoliating liquid used in the toner or essence step, not a classic serum texture
Key ingredients
These are the ingredients COSRX highlights for this product, cross-checked against general dermatological and cosmetic-chemistry sources, not a full INCI list.
Fragrance: No fragrance or essential oil appears in the ingredient list on file; brand confirmation pending.
| Ingredient | What it is | What it does for skin |
|---|---|---|
| Niacinamide | A form of vitamin B3, one of the most studied ingredients in cosmetic dermatology. | Strengthens the skin barrier by boosting ceramide production, helps even out tone by limiting pigment transfer to skin cells, and can reduce the look of enlarged pores. |
| Betaine salicylate | A salicylic acid derivative made by combining salicylic acid with betaine, used as a milder form of BHA. | Exfoliates and helps clear pores in the way salicylic acid does, with reportedly less irritation.Note: It is still a BHA exfoliant, so it can irritate sensitive skin. Use sunscreen. |
| Sodium hyaluronate | The salt form of hyaluronic acid, commonly used for its water solubility and stability in formulas; molecular weight varies by product rather than being uniformly smaller. | Draws and holds moisture the same way hyaluronic acid does; how easily it absorbs depends on the specific molecular weight used, which formulas don't always disclose. |
| Panthenol | Pro-vitamin B5, which converts to pantothenic acid once absorbed into skin. | Hydrates as a humectant, supports wound healing, and has anti-inflammatory, soothing effects on irritated skin. |
What the brand says
COSRX's own marketing claims, not our own findings.
- BHA and niacinamide exfoliating liquid for gentle exfoliation and oil control
- Suggested for mid-level acid users
- Clears clogged pores, helps prevent breakouts and balances oil production
- Targets large pores, blackheads, the T-zone and oily, breakout-prone skin
Research-Based
Our assessment comes from pricing, ingredients, and published information, not personal use, the same standard we apply across the site. This product hasn't been hands-on tested yet. See our Methodology for what that distinction means.
Price history
Current price is the lowest we've recorded so far.
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Frequently asked
How much does COSRX BHA Blackhead Power Liquid cost per mL?
$0.18 per mL (currently $17.50 for 100 mL).
Has COSRX BHA Blackhead Power Liquid been hands-on tested?
Not yet. Our assessment for this product comes from pricing, ingredients, and published information, not personal use, the same standard we apply across the site. See our Methodology for what that distinction means.
What are the key ingredients in COSRX BHA Blackhead Power Liquid?
The ingredients COSRX highlights for this product include Niacinamide, Betaine salicylate, Sodium hyaluronate, Panthenol.
Sources
Pricing and availability for this product were verified against the following retailer listings.