Jinseo Lee, Hoon Cha, Moon Sam Shin, Su-In Park, Soo Hyeon Heo,. “A Clinical Study on Anti-Wrinkle Efficacy of a Cosmetics Containing Oligoarginine Conjugation of Palmitoyl-GHK Peptide for Skin Penetrating”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 5 (April 11, 2021): 401–406. Accessed December 25, 2024. https://turcomat.org/index.php/turkbilmat/article/view/974.