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GHK-Cu and Skin Biology Research In vitro studies with human adult dermal fibroblasts found that GHK-Cu at concentrations of 0.01, 1, and 100 nM increased production of both elastin and collagen, with all concentrations increasing TIMP1 a key inhibitor of matrix metalloproteinases
Gatto, L
Vitamin B12 Vitamin B12 is an essential piece of maintaining nervous system function
A landmark study published in March in The BMJ adds an interesting layer to that picture
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