Research Summary
Researchers investigated a palmitoyl copper peptide and acetyl tyrosine complex (GHK-Cu) for its effects on melanin production using two melanoma cell lines: human A375 cells and mouse B16 cells. The study found that this complex enhanced melanin production in both cell types tested. This evidence comes from **in vitro cell culture studies**, not human clinical research, despite the product tag classification.
Read more on Biochemical and biophysical research communications →