All scans / Exfoliants / COSRX BHA Blackhead Power Liquid
COSRX BHA Blackhead Power Liquid ingredients: is it worth it?
High-evidence BHA workhorse with a minimalist, efficient base—excellent for blackheads if you tolerate salicylates.

High-evidence BHA workhorse with a minimalist, efficient base—excellent for blackheads if you tolerate salicylates.
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Efficacy is driven by betaine salicylate in a leave-on format, which can provide meaningful keratolytic and comedolytic action when used consistently, while niacinamide and panthenol offer supporting brightening and barrier benefits rather than being the main actives. The short, humectant-rich vehicle is well-suited to deliver a single focused exfoliant without dilution by gimmicky ingredients, but the overall formula lacks additional anti-inflammatory or buffering lipids that could further improve tolerability at higher use frequencies.
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DemythSkin rates COSRX BHA Blackhead Power Liquid 3.8/5 for efficacy and 4.6/5 for safety.
ACTIVE INGREDIENTS BY TIER
Gold Standards
High clinical proof | Skin-transformativeReliable
Proven resultsPotent
Developing evidenceOverhyped | Marketing
Hype | Limited dataDocumented Irritants
Evidence-backed flagFORMULATION BASE (6)⌄
FULL INGREDIENT LIST⌄
Water, Butylene Glycol, Betaine Salicylate, Niacinamide, 1,2-Hexanediol, Arginine, Panthenol, Sodium Hyaluronate, Xanthan Gum, Ethyl Hexanediol
WHAT EACH INGREDIENT DOES (10)⌄
- Water
- Solvent
- Butylene Glycol
- Humectant and solvent
- Betaine Salicylate
- BHA exfoliant and keratolytic
- Niacinamide
- Skin brightening and barrier support
- 1,2-Hexanediol
- Solvent and preservative booster
- Arginine
- pH adjuster and humectant
- Panthenol
- Soothing humectant
- Sodium Hyaluronate
- Hydrating humectant
- Xanthan Gum
- Viscosity modifier and stabilizer
- Ethyl Hexanediol
- Solvent and preservative booster
EXTERNAL CITATIONS
Salicylic acid / beta-hydroxy acids: Kligman AM et al. Salicylic acid as a peeling agent in acne treatment: comedolytic and keratolytic effects documented in clinical and histological studies.
Niacinamide: Huang TH et al. Topical niacinamide improves skin barrier function, reduces hyperpigmentation, and decreases inflammatory lesions in acne.
Panthenol: Proksch E et al. Topical dexpanthenol supports barrier repair and reduces irritation in compromised skin.
DISCLAIMER: THIS ANALYSIS IS FOR INFORMATION ONLY. NOT MEDICAL ADVICE. AI-GENERATED DATA BASED ON PUBLICLY AVAILABLE INGREDIENT LISTS. VERIFY WITH A MEDICAL PROFESSIONAL.
COSRX BHA Blackhead Power Liquid: common questions
Is COSRX BHA Blackhead Power Liquid worth it?
COSRX BHA Blackhead Power Liquid scores 3.8 out of 5.0 for efficacy (Modest) and 4.6 out of 5.0 for safety (Very Gentle) on DemythSkin's independent ingredient analysis. High-evidence BHA workhorse with a minimalist, efficient base—excellent for blackheads if you tolerate salicylates.
What are the key active ingredients in COSRX BHA Blackhead Power Liquid?
COSRX BHA Blackhead Power Liquid contains no gold-standard actives. Its formula is built on supporting and base ingredients rather than clinically transformative actives.
Does COSRX BHA Blackhead Power Liquid contain fragrance or known irritants?
DemythSkin's analysis found no flagged irritants in COSRX BHA Blackhead Power Liquid. It scores 4.6 out of 5.0 for safety.
How is COSRX BHA Blackhead Power Liquid scored?
DemythSkin grades every product on two independent scores: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are graded S through D against a database of over 3,000 compounds. Brand and price are not part of the score, and no brand pays for one.
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