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Mod GRF 1-29 and Pituitary Pathways Mod GRF 1-29 has been studied for its possible binding to GHRH receptors on pituitary cells
GHK-Cu isn't just a peptide with copper attached
It works through two mechanisms: inhibiting the enzyme tyrosinase (which is essential for melanin synthesis) and shifting the melanin production pathway from eumelanin (darker pigment) to pheomelanin (lighter pigment)
If you've already explored those and want to go further, Dihexa is the next frontier but go conservative
GHK-Cu has more skin and wound healing research
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