How many times a week should I use glycolic acid in my skincare regimen? This inquiry often perplexes individuals who are eager to incorporate this popular alpha hydroxy acid into their routine. Is there a definitive frequency that offers optimal benefits without inducing irritation? Given its potency, could the answer hinge on skin type, sensitivity, and existing conditions? For instance, individuals with oily or acne-prone skin may benefit from more frequent applications, while those with sensitive or dry skin might require a more measured approach. Should I consider the concentration of glycolic acid in the product? What about the formulation, is it a serum, toner, or exfoliating pad? Additionally, how do seasonal changes impact my skin’s tolerance to glycolic acid? Is it vital to listen closely to my skin’s responses? Could starting slowly and adjusting frequency prove to be the most prudent strategy? Such a multifaceted question begs further contemplation, doesn’t it?