Exfoliant · COSRX

BHA Blackhead Power Liquid

Name: BHA Blackhead Power Liquid
Brand: COSRX

4% betaine salicylate (BHA equivalent). Daily-use chemical exfoliant focused on congestion and blackheads.

What's inside

The actives doing the work.

active

strong evidence

Niacinamide

Inhibits melanosome transfer from melanocytes to keratinocytes; supports ceramide synthesis; regulates sebum production.

exfoliant

strong evidence

Salicylic Acid

Oil-soluble; penetrates sebum to dissolve intra-follicular keratin plugs; anti-inflammatory.

How to use

Apply with cotton pad to T-zone areas at night, 2–3× weekly to start.

Skin compatibility

Oily

Ideal

Combination

Ideal

Normal

Suitable

Sensitive

Caution

Addresses