Avoid Incompatible Ingredients: Do not layer GHK-Cu with highly acidic ingredients (like L-ascorbic acid Vitamin C), strong exfoliants (AHAs/BHAs), or potent retinoids in the same session
Maffulli et al., Surgical management of tendinopathy of the main body of the patellar tendon in athletes, Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine 9, no
However, they will notice improvement in energy levels, mind clarity, improved sleep and mood, and will see fewer colds
doi:10.1080/03007995.2018.1519503 Gelfand AA, Ross AC, Irwin SL, Greene KA, Qubty WF, Allen IE
When a research protocol shows a stalled response despite correct dosing, see why retatrutide may not be working
The peptide naturally chelates Cu2+ with high affinity, forming the GHK-Cu complex