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doi:10.1111/j.1365-3164.2006.00551.x GHK (glycyl-L-histidyl-L-lysine) forms a complex with copper in order to form GHK-Cu
Combining topical GHK-CU with injectable GHK-CU without accounting for total copper load
Overnight, the skin becomes more receptive to active ingredients, making GHK-Cu even more powerful
This naturally occurring tripeptide has been shown to stimulate collagen synthesis in fibroblast cultures, with some studies reporting increases of up to 70% in collagen production
Look for purity levels at 98% minimum, with 99% or higher preferred
PMID 35691683
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