derma stamp ghk cu GHK-Cu Revitalizing Serum 16oz-1 Gallon | Private Label optimal routine for applying ghk-cu

Which peptide is best for hair growth

The calculator outputs the resulting concentration and shows exactly how many units on your syringe correspond to your target dose

Evidence type: Human RCT | Observational | Animal | In vitro | Regulatory Mechanism of Action As a copper chelator, GHK-Cu modulates over 4,000 human genes, upregulating those involved in tissue remodeling (e.g., collagen I, III) and downregulating pro-inflammatory pathways like NF-B

A common approach uses 0.25mg in the morning and 0.25mg in the evening, maintaining more consistent tissue levels throughout the day

Kong et al., 2025)

They also do not work with retinoids. The best protocol would be to alternate a vitamin-C serum or a retinoid with copper peptides every other day