Been using GHK-Cu (copper peptide) topically and subcutaneously for 3 months. Noticeable improvement in skin elasticity and a small but visible reduction in fine lines. Hair seems thicker too but that could be subjective. Anyone else experimenting with GHK-Cu?
GHK-Cu for skin and hair — 3 month results
GHK-Cu has solid evidence for collagen stimulation. The topical route is well-studied. SC administration is more experimental but anecdotally effective. Make sure you're not overdoing copper — can cause copper toxicity.
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