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In skin biology, GHK-Cu has been studied for stimulation of collagen types I and III, elastin production and skin elasticity, fibroblast proliferation and directed cell migration, antioxidant enzyme upregulation (SOD, catalase), and wound closure and scar remodeling
Blood flow regulation: It may encourage angiogenesis, or the formation of new blood vessels, and support circulation in localized areas
Protection from light Glutathione is sensitive to light, which can cause oxidation and degradation of the compound
This approach balances therapeutic benefits against theoretical concerns about long-term continuous use, for which we lack human safety data
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