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This ingredient has been found safe for cosmetics with the data showing no irritation or sensitization
In vitro studies have characterised its effects on antioxidant enzyme expression profiles and melatonin biosynthesis pathway regulatory mechanisms
Because it is non-hormonal, GHK-Cu is safe for both men and women and does not carry the hormonal side effects associated with finasteride
This finding laid the groundwork for decades of research (noted in the table below) exploring copper-peptide signaling and its potential biomedical and cosmetic applications
US$ 27.98
US$ 24.62
US$ 22.43
US$ 26.61
US$ 27.02
US$ 21.68
US$ 26.35
US$ 20.75
