COSRX BHA Blackhead Power Liquid — Efficacy 3.7/5.0, Safety 4.8/5.0 | DemythSkin
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[ DemythSkin Verdict ]
COSRX BHA Blackhead Power Liquid

COSRX BHA Blackhead Power Liquid

ExfoliantPore Care
Efficacy
Solid
3.7 / 5.0
Safety
Excellent
4.8 / 5.0
System Verdict
A gentle, competent BHA toner—but not a powerhouse blackhead eraser. The efficacy score is held to 3.7 because the formula has a real exfoliant (betaine salicylate) plus helpful support ingredients like niacinamide and panthenol, but the overall formula is light, the BHA is a milder salicylate derivative rather than straight salicylic acid, and the ingredient list gives no evidence of a clearly aggressive or optimized acid system for rapid comedone clearing.
Active Ingredients Detected
A Tier: Good BasicsProven Results
WaterBetaine SalicylateNiacinamideArgininePanthenolSodium Hyaluronate
B Tier: Supporting IngredientsPromising Ingredients
Butylene Glycol1,2-HexanediolXanthan GumEthyl Hexanediol
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DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.