“It is better to begin using this AHA with 5 percent to allow your skin to adapt gradually. If your skin is already accustomed to AHAs like glycolic or lactic acid, or retinol, 10 percent might be ...
No matter your skin type ... glycolic and lactic acids. Oily skin will appreciate the pore penetrating and unclogging powers of BHAs—the most well-known of which is salicylic acid.