Loose Skin Tightened by GHK-Cu: 2018 Review Findings and Real-World Insights
https://www.pinkrimage.com/power-of-peptides-a-scientific-look-at-rejuvenating-your-skin/
GHK-Cu Skin Tightening: Understanding the Science and Impact In 2018, a comprehensive review brought GHK-Cu copper peptide into sharp focus as a promising agent for skin tightening and rejuvenation