ghk-cu wound-healing effects is getting a lot of attention right now, and for good reason. This is not just a “skin peptide.” It's a copper-binding tripeptide with documented on gene expression, collagen synthesis GHK-Cu Peptide Therapy Scottsdale &
Description
Ciliary neurotrophic factor Ciliary neurotrophic factor (CNTF) is a glial cell-produced neuroprotective cytokine

They cost more than simple solutions but require less user preparation and may deliver better results through enhanced absorption
Specifications 62 H 98 N 16 O 22 Reconstitution For diluting lyophilized peptide powders, use a sterile and suitable research solvent such as bacteriostatic water (BAC), which may help support handling stability and reduce contamination risk

This last factoid suggests it likely wouldnt work as well in younger patients who already have maximally sensitive HGH receptors on their cells
