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ghk cu hair growth clinical trial study Two Ingredients. Real Transformations. How Neurogan Health's GHK-Cu Serum Is Changing What Customers Expect From Hair Care Does it work? Maneup GHK-Cu
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doi: 10.1159/000510822 87 VerdiG.WeyandtL

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Reconstitution and Storage All injectable peptides require reconstitution from lyophilized powder

So they could opt instead to use the synthetic version instead of the extract
