Dermatologists explain what kojic acid is and the benefits of using it. Shop products with kojic acid from Amazon, Target, ...

Mieloch created an exfoliating toner that harnesses the same renewing power of P50 with lactic and glycolic acid. It also includes birch water and sap, which brighten skin and reduce inflammation.

The “salicylic acid helps break up the oil-and-dead-skin-cell matrix that plugs pores,” says Zalka, who has been pointing patients toward it for 20-plus years. If your skin is both sensitive ...