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How Much GHK-Cu Should I Inject Daily
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An 8-week randomized double-blind clinical trial comparing GHK-Cu in nano-lipid carrier to Matrixyl 3000 showed 55.8% reduction in wrinkle volume versus control serum and 31.6% reduction versus Matrixyl 3000, with 32.8% reduction in wrinkle depth versus control
Hollmann et al., 2019), and by protecting against damage during freeze-thaw cycles (Yamashita et al., 2020)
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