Topical GHK-Cu at 1 to 3% concentration is especially popular for facial anti-aging and can be layered into existing skincare routines without injection
The major market opportunities for GHK-Cu anti-aging applications are concentrated in affordable skincare products and mid-to-high-end cosmetic products
However, as reassuring as all of this is, there are a couple of things to remain mindful of: Copper toxicity Because GHK-Cu contains copper, it does pose a potential risk of copper toxicity,12 the symptoms of which include abdominal pain, vomiting, chest pain, chills, cough, fever, general weakness, anemia, burning sensations, tremors, and a metallic taste in the mouth.13 The risk is small, as the concentrations of copper in the peptide are typically well within safe parameters, but its good to be aware of it
These therapies are not intended to diagnose, treat, cure, or prevent any disease.
For only GSSG quantification samples and the standard are treated with 4-vinylpyridine for an hour before performing glutathione assay and thus GSH is removed and only GSSG concentration is determined.