In double-blind, placebo-controlled trials, daily application of GHK-Cu cream at 3% concentration for 12 weeks produced a 70% increase in skin collagen thickness as measured by ultrasound imaging, a 40% increase in skin elasticity, and visible reduction in fine lines and wrinkles
Quantifying synapses: an immunocytochemistry-based assay to quantify synapse number
For patients with hepatic impairment, no evidence-based dosing guideline exists
From my point of view, this is a real do not try this at home scenario
Research on this application is lacking
Certificates of Analysis (COAs) are published on every compound, so you can review HPLC-UV chromatograms, mass identification, and all publicly documented test results before you buy