Yang, S. S.; Liau, M. M.; Heng, J. K.; Toh, H. S. M.; Aw, C. W. D.; Ho, S.-A. The Efficacy and Safety of a 70% Glycolic Acid Peel With Vitamin C for the Treatment of Photoaging. J Surg Dermatol 2021, 6, 18-24.