COSRX BHA Blackhead Power Liquid

Betaine Salicylate, Gentler BHA, Same Pore-Clearing Power

Betaine Salicylate is the thoughtful formulator's choice for BHA exfoliation.it delivers the same oil-soluble, inside-the-pore clearing action as standard Salicylic Acid with a significantly reduced irritation profile. For UK skin that often deals with the combination of central heating dryness in winter and increased oiliness in warmer months, a BHA that clears congestion without stripping or sensitising is the practical everyday solution, not a compromise.

Targets Blackheads Where They Actually Form

Every pore strip, clay mask, and scrub marketed for blackheads works on the skin surface. BHA works inside the pore. The distinction matters: surface-only treatments remove the visible tip of a blackhead without clearing the pore lining, meaning the blackhead reforms within days. Betaine Salicylate penetrates the pore wall, dissolves the sebum and cell debris lining it, and clears the blockage completely, which is why consistent BHA use reduces blackhead frequency over time rather than just temporarily improving their appearance.

Niacinamide, Shrinks Pores and Regulates Oil

The combination of BHA clearing the pore and Niacinamide tightening it from the outside creates a two-directional approach to pore minimisation that neither ingredient achieves alone. BHA empties the pore; Niacinamide tightens the surrounding skin structure. The visible result is smaller-looking, cleaner pores, particularly effective on the nose and T-zone where enlarged pores are most prominent.

Willow Bark Water, A Smarter Base

Using Willow Bark Water instead of plain water as the formula's base is a meaningful formulation choice. Willow Bark's naturally occurring salicin content extends the anti-congestion and anti-inflammatory activity of the formula throughout the entire liquid,  rather than concentrating activity only in the listed BHA percentage. The result is a formula that works more holistically than its ingredient list suggests.

Balanced for UK Skin Conditions

UK skin navigates a specific set of environmental challenges, grey, low-UV winters that allow congestion to build undetected, central heating that dehydrates the barrier while oily zones remain active, and humid summer months that increase sebum production. This formula addresses oiliness and congestion without triggering the dehydration that UK weather already creates — the Panthenol and Sodium Hyaluronate specifically ensure the skin stays comfortable and balanced year-round regardless of the season.