Within a skincare routine, a toner goes after face wash and before ... Toners with glycerin or alpha-hydroxy acids (AHAs) help to retain moisture, which in turn helps restore pH to normal levels.

Furthermore, CosRx’s toner delivers a duo of dermatologist-approved chemical exfoliators—alpha hydroxy acid and beta hydroxy acid. Alpha hydroxy acid sloughs dead, dull skin cells to reveal a ...