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The FDA cosmetic ingredient database does not list GHK-Cu as a restricted ingredient, reflecting its established safety record

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Can I use GHK-Cu with Vitamin C

Angiogenesis Studies: Angiogenic potential investigated through multiple assays: HUVEC tube formation (network complexity), endothelial migration (cells/field), aortic ring sprouting (sprout length/number), VEGF/VEGFR2 expression (qPCR, Western blot), CAM assay (vessel density)

Refrigerating unopened vials offers no preservation benefit and may create condensation that obscures lot numbers or loosens labels

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