ghk-cu water solubility Skin Perfection Copper Peptides Powder for Face 99.7% Pure 1 Gram GHK-CU - 100mg (Copper Peptide)
Description
Instead of structural damage that is immediately visible, there is a gradual disruption of function,movement, coordination, emotional regulation

GHK-Cu is generally administered subcutaneously

And the gap is wide on both sides

Nature Communications 12:470. [doi.org]
