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Description
PMC10056213 Subcutaneous injection osmolality, pH, and volume effects on pain and absorption

Heiden, M
This is the form we use in our products

Its not clear how they came up with that number, but lets take them at their word

GHK-Cu is known to facilitate more decorin (anti-scarring protein) and decrease TGF-beta (a cytokine that increases scarring)