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Glutathione inhibits tyrosinase activity systemically and provides systemic antioxidant protection against UV-triggered melanin overproduction addressing pigmentation from inside the body

Copper ions in GHK-Cu can inhibit up to 90% of type 1 5-alpha reductase, potentially reducing DHT-related follicle miniaturization without systemic hormonal effects

DSIP has a very short plasma half-life of approximately 5 to 8 minutes in peripheral blood due to rapid enzymatic degradation by endopeptidases

Body composition & lipolysis Explored in research on how growth-hormone signaling relates to fat breakdown and lean-mass shifts