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Yes, copper peptides, especially GHK-Cu, help strengthen hair follicles by boosting collagen production, improving circulation, and reducing inflammation

Lipofectamine 3000 (Thermo Fisher, MA) was used according to the manufacturers instructions

While copper peptides are generally well-tolerated, some people may experience mild irritation, especially when first using them

Jin, J., Meng, T., Yu, Y., Wu, S., Jiao, C

Blood tests can show if you need to change your treatment

The skin-specific mechanisms of GHK-Cu include stimulation of Type I and Type III procollagen synthesis, increased production of dermatan sulfate and other glycosaminoglycans, activation of the enzyme lysyl oxidase (which cross-links newly formed collagen), reduction of matrix metalloproteinase-1 (MMP-1, collagenase) activity, and anti-inflammatory suppression of TNF-alpha-induced IL-6 secretion