But scroll through Reddit, Skincare Talk, or any peptide forum and you'll find before-and-after photos from people with no incentive to lie
Xu Wang, [email protected] These authors have contributed equally to this work Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers
It is a fundamental biological regulator that happens to have profound implications for skin health
The "maintained improvements" group (approximately 30-40% of users) reports substantial benefit retention 6-12 months post-discontinuation, typically characterized by users who completed 6+ month treatment courses using adequate concentrations (1-2% GHK-Cu), maintained consistent application patterns, addressed underlying skin damage during treatment allowing structural improvements, optimized complementary skincare including sun protection and moisturization, maintained healthy lifestyle supporting collagen synthesis including adequate protein intake and sleep, and possessed favorable genetics for collagen production and skin aging resistance
