What Does Salicylic Acid Do? Benefits, Uses, and How to Apply
Few skincare ingredients spark as many questions as salicylic acid. Chemically it’s a beta hydroxy acid (BHA) that works inside pores to clear dead skin and excess oil—and knowing how to use it can mean the difference between clear skin and irritation. Common concentration: 0.5% to 2% · pH for exfoliation: 3 to 4 · … Read more