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Weeks 12: Early Changes All skin types: skin may feel more hydrated and balanced with subtle improvements in tone Dry/Sensitive: reduced redness and irritation

The reasons for this behavior are discussed in the text

Brands offering copper peptide serum with GHK-Cu include options for both skin and scalp care , supporting dual benefits in cosmetic routines

But why, I ask, are there no gold-standard trials on humans

It works by upregulating growth factors your body already produces, particularly VEGF (which grows new capillaries) and growth hormone receptors in tendon and ligament tissue

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