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Skin type differences in suninduced oxidative stress
Store lyophilized GHK-Cu at -20C protected from light
It definitely feels like a vasodilator
Once a clear stock solution has been prepared in acetic acid water, it is standard practice to perform subsequent dilutions into the intended experimental vehicle for example, phosphate-buffered saline (PBS), cell culture medium, or another physiological buffer to bring the working solution to the correct pH and ionic strength for the assay
But others have little, if any, scientific backing
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