Topical application and microneedling enhance delivery research like the 2025 Kuceki study shows that combining GHK-Cu with microneedling (which creates micro-channels in the scalp) dramatically improves delivery to the target cells and produces measurable regrowth
Always consult with a healthcare professional before starting any new skincare regimen.
Trans-endothelial electrical resistance (TEER) was evaluated on hBMEC monolayers showing a value of 149.7 3.6 cm by day 6, indicating the formation of a tight barrier mimicking the BBB in an in vitro model, thereby confirming the validity of subsequent permeability study
However, for best results, we recommend using the full Hairgenetix routine: Copper Peptide Shampoo (cleanses and delivers GHK-Cu) Copper Peptide Conditioner (conditions and delivers additional GHK-Cu) Copper Peptide Serum (concentrated topical treatment) The combined approach ensures copper peptides are delivered at multiple points during your routine, maximising scalp exposure time
Such concussion symptoms include frequent headaches, dizziness, inability to concentrate, and light and noise sensitivity, among others
Wang M, Tan Y, Shi Y, Wang X, Liao Z, Wei P