Say "Hello!" to acid toners and "Au revoir!" to dulling dead skin cells — simply sweep the solution all over your face (not forgetting your neck) and prepare to recover your radiance. AHA toners (like glycolic and lactic acid) are your go-to for promoting cell renewal, while BHAs (think salicylic acid) help to unclog pores. Snoop through our hand-picked collection and dial up the brightness with an acid toner.