ghk-cu inhibits 5-alpha reductase GLP-1 hair loss: why it happens, what the research shows, and how to protect your hair GHK-CU vs Other Copper Peptides:

Most experts recommend committing to at least 36 months of consistent daily use before evaluating whether a hair treatment is working for you

Ran ZL, Sun C, Li SF, Craig DW, Trevor JH (2014) Different Performances of H 2 O 2 to Oxidize Aldicarb and Hexazinone in the Advanced Oxidation Process of Ozone/Hydrogen Peroxide

Our findings revealed that after transfection with STAT3-targeting siRNA (siSTAT3), the stimulant effect of GHK-Cu on the healing of MCECs and the effect on the protein expression of ZO-1 and Occludin is canceled

If you need maximum healing support for a significant injury, investing in higher bioavailability makes sense