GSTs are dimeric enzymes
Clinical studies examining GHK-Cu applications for androgenetic alopecia have documented improvements in hair count, hair diameter, and overall scalp coverage
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For the GSSCys assays, either GSH was varied between 50 M and 2.0 mM at fixed GSSCys concentrations (25, 50, 100 and 150 M) or GSSCys was varied between 25 and 200 M at fixed concentrations of GSH (0.05, 0.1, 0.2, 0.3 and 1.0 mM for ScGrx7 or 0.3, 0.5, 1.0 and 2.0 mM for PfGrx)
Not less than 98% by HPLC
At Real Peptides, every compound we synthesize, from GHK-CU Cosmetic to complex research molecules, is a lyophilized (freeze-dried) powder