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Copper peptides help slow down this process by inhibiting the enzymes that break down collagen, which helps preserve the skins firmness and structure
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Theres no evidence for this in humans
GHK-Cu supplied here is research-grade material for in vitro laboratory study, not a compounded preparation for human use
Request a COA showing HPLC purity above 95%, endotoxin below 1 EU/mg (USP standard), and residual host-cell protein below 100 ppm
US$ 20.02
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