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Topical cosmetic studies suggest GHK-Cu may help support visible improvements in skin density, firmness, and wrinkle appearance over time
Before we can even begin to talk about side effects, we have to be on the same page about what we're discussing
This indicates that an excellent starting point for mixture would be 1.5 drops per 15mL of a GHK-Cu free product (which would result in a topical containing .03% GHK-Cu)
Henstridge DC, Whitham M, Febbraio MA
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