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doi: 10.3390/ph19020235
Naito, Y., Uchiyama, K
Follicle cycles take months to complete
2012 GHK-Cu may prevent oxidative stress in skin by regulating copper and modifying expression of numerous antioxidant genes Cosmetics Study demonstrating GHK-Cu's regulation of antioxidant gene expression and copper-dependent protective mechanisms in skin tissue
High doses might also possibly interfere with levels of other vitamins, enzymes and minerals, which is always a potential problem when taking any nutrient in very large quantities
Journal General Practice 12 (4), 169173
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