This is a Review of Cosrx BHA Blackhead Power Liquid
What is Cosrx BHA Blackhead Power Liquid and How Does It Work? The chemical exfoliant Cosrx BHA Blackhead Power Liquid contains 4% Betaine Salicylate, which is a milder form of Salicylic Acid but just as effective as 2% Salicylic Acid. BHA unclogs pores, resulting in clearer, smoother skin. Since BHA can dissolve oil while AHA…