Cos De Baha Azelaic Acid 20% Cream

Cos De Baha AZ20 is a clinically serious treatment cream that puts 20% azelaic acid — a concentration typically found only in prescription formulations — into an accessible, over-the-counter Korean skincare product priced at ৳1,300. Azelaic acid works through three separate mechanisms: it inhibits the enzyme tyrosinase to block excess melanin production, disrupts the bacterial activity that triggers inflammatory acne, and reduces the vascular activity responsible for redness and flushing in conditions like rosacea. At 20%, all three of these actions are meaningfully amplified compared to the 10% formulas most brands offer.