Pickarts findings that the complex caused old human liver tissue to synthesize proteins like younger tissue.12 In addition to (or because of) its regenerative properties, research has found that GHK-Cu may be able to:12 14 Reduce the appearance of fine lines and wrinkles Tighten loose skin, improve skin firmness, and reverse age-related skin thinning Promote faster wound healing Lighten the appearance of hyperpigmentation and sun damage Protect skin cells from UV damage Repair the skin barrier Smooth rough skin patches Stimulate collagen production Restore the vitality of fibroblasts (a type of cell that plays an important role in the formation of connective tissue)46 With all of this in mind, it becomes clear why copper peptides have grown in popularity as a milder yet still seemingly effective alternative to harsh actives, such as retinoids, which can often cause side effects like skin redness, itching, burning, and peeling.47 To learn more about GHK-Cu, check out our comprehensive guide to the peptide

Those with Compromised Skin Barriers in Research Settings: Its anti-inflammatory and wound-healing properties make it valuable for investigating skin barrier repair and recovery
however, this does not necessarily mean exercise can be replaced by MOTS-c supplementation
When immune regulation becomes impaired, the body's ability to eliminate infections may be compromised
GHK-Cu peptide is legal in the USA for cosmetic and research purposes
A 2023 meta-analysis in *Obesity* confirmed that GLP-1 medications produce greater weight loss than any other non-surgical intervention currently available