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What is clearer is that stacking multiple strong actives at once increases the overall irritation burden on the skin barrier, which is a general skincare principle rather than a GHK-Cu-specific danger
The injection itself is usually a quick, minor pinch
This page is for informational and educational purposes only and makes no claims of therapeutic benefit
Research-use product identity only
The measurement forgiveness at this concentration is excellent since being off by a unit only changes your dose by 0.01mg
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