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Reduces Fine Lines and Wrinkles GHK-Cu helps reduce the depth and visibility of fine lines by increasing glycosaminoglycans (such as hyaluronic acid), which plumps the skin and restores volume
doi: 10.1002/jbm.b.30246
After 4 h of stimulation, we assayed for IGF-1 production in the culture supernatants
Some users expect immediate visible results and interpret the adjustment period as evidence that the product doesn't work
But age creates a problem
Where consumer-facing claims appeared to exceed the published evidence, we have erred toward the more conservative reading
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