“Clinical Efficacy of Wrinkle Improvement Right After Using Antiaging Cosmetics Containing Palmitoyl-GHK-R4 Peptide”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 13 (July 10, 2021): 6058–6062. Accessed May 29, 2026. https://turcomat.org/index.php/turkbilmat/article/view/9881.