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A product can be lawfully sold as a copper-peptide hair serum without a single controlled trial proving it grows hair

Is GHK-Cu safe to use on the scalp

Improves Scalp Health: The peptide promotes a healthy scalp environment by reducing inflammation and oxidative stress, both of which can contribute to hair thinning

When GHK-Cu activates its pathways, it is simultaneously building new structural tissue, accelerating the removal of damaged tissue, and suppressing the inflammatory environment that would otherwise slow both of those processes

however, there are important caveats: - Injection-site reactions: As with any injectable peptide, mild redness, swelling, or irritation at the injection site appear to be the most commonly reported side effects

First identified in the 1970s by Dr