Animals tests for acute skin irritation assessment usually follow the Draize rabbit test while other accepted assays for skin sensitization include Local Lymph Node Assay (LLNA) and Guinea Pig Maximisation Test (GPMT)
More than a checkup
Sanford, was recently featured in Forbes in an article titled As Peptides Go Mainstream, Experts Say Oversight Matters. The article explores the rapid growth of peptide therapies across wellness, longevity, recovery, aesthetics, metabolism, sleep, inflammation, cognitive health, and performance optimization
Still, it represents the only controlled human data directly measuring hair count changes with a GHK-containing formulation
A 2015 study used 150mg of a similarly administered form of glutathione, which is a good 33% higher than the Quicksilver dosage.22 But there's a silver lining in that Quicksilver is easy to titrate up as needed, and just an additional pump will get you up to that 150mg threshold (though at the expense of shrinking its use life)