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Topical formulations work well for localized skin concerns: fine lines around the eyes, a specific scar, or targeted scalp application for hair loss
Side effects are rare but may include mild discomfort at the injection site or slight fatigue post-infusion
Loren Pickart, and it can naturally be found in human saliva, plasma, and urine.12 (The GHK in skin care products is synthetic.) Experts originally believed GHK was a liver cell growth factor, but as research advanced, they learned that the peptide could alter far more cells than just those in the liver
Nature 627 , 221228 (2024)
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