In the article "Efficacy of Glycolic Acid Peels in the Treatment of Melasma,"1 the authors conclude that the addition of 4 glycolic "peels" did not enhance the hypopigmenting effect of hydroquinone treatment. A chemical peel is a procedure in which the skin peels after treatment with a chemical solution. In this case, the authors reported the application of 20% and 30% glycolic acid pads did not result in epidermolysis and indeed only produced erythema.