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GHK-Cu (glycyl-L-histidyl-L-lysine complexed with copper 2+) is one of the most evidence-supported regenerative peptides available in cosmetics, with peer-reviewed data spanning collagen synthesis, gene-expression modulation, wound healing, and skin laxity
12 weeks on, 8-12 weeks off: Extended cycles with equivalent rest periods
The alterations allow it to avoid binding to proteins in the body, allowing it to have a longer half-life
these were not consecutive days
Also, note that DMSO can oxidize sensitive residues like cysteine over time, so you may need to use degassed solvents or add antioxidants if thats a concern
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