30 ghk cu serum High-Potency Copper Peptide GHK-Cu | True 0.1% Active CU copper peptide stimulates the formation of collegen and elastin Neurogan - GHK-Cu (Copper Peptide)
Description
Journal of neurosurgical sciences

doi:10.1111/1440-1681.13373 Chukanova EI, Chukanova AS

You can adjust water volume for different concentrations, but this standard ratio simplifies calculations significantly

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Misbin RI
