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Blood samples of 60 subjects were collected and screened for G6PD deficiency using FST method

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Lehnerer S, Herdick M, Stegherr R, et al

Glycyl-l-histidyl-l-lysine prevents copper- and zinc-induced protein aggregation and centralnervous system cell death in vitro 15

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Since an autoimmune reaction is what usually triggers hair loss leading to inflammation, the damage can be repaired fast with GHK-Cu presence