# GHK-Cu: origins, skin biology and human evidence

- Pickart & Thaler · Original serum-peptide report · 1973
  https://pubmed.ncbi.nlm.nih.gov/4349963/

- Pickart · UCSF thesis record · 1973
  https://books.google.com/books?id=SHEOAGoUle8C

- UCSF Archives · M. Michael Thaler
  https://broughttolight.ucsf.edu/2014/09/17/archives-lecture-on-october-13th/

- Maquart et al. · Fibroblast collagen study · 1988
  https://febs.onlinelibrary.wiley.com/doi/10.1016/0014-5793(88)80509-X

- Miller et al. · Post-resurfacing trial · 2006
  https://journals.sagepub.com/doi/abs/10.1001/archfaci.8.4.252

- Bo et al. · Paired eyebrow study · 2026 conference report
  https://so09.tci-thaijo.org/index.php/PMR/article/view/9318

- FDA · Injectable GHK-Cu compounding safety concerns
  https://www.fda.gov/drugs/human-drug-compounding/certain-bulk-drug-substances-use-compounding-may-present-significant-safety-risks