Another PubMed review highlights the regenerative and protective actions of GHK-Cu, including gene regulation relevant to skin repair, wound healing, and cell-protective pathways
If hormonal, nutritional, or medical factors drive your hair loss, GHK-Cu alone won't overcome them
The clinical trial data is specifically reassuring on this point: across six trials involving approximately 900 participants, glucose levels, insulin levels, and markers of insulin sensitivity remained unchanged from baseline
Most of the published lab work studies GHK-Cu effects on dermal fibroblasts specifically, though less research exists on fibroblasts from cardiac, lung, or joint tissue
Third-party results carry more weight than self-reported manufacturer testing