can you use ghk cu topical Buy GHK-Cu Peptide Cream for Skin GHK-Cu Peptides Before and After:

C., Chastang, F., Birembaut, P., & Gillery, P

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Copper ions in GHK-Cu can inhibit up to 90% of type 1 5-alpha reductase, potentially reducing DHT-related follicle miniaturization without systemic hormonal effects

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Although not readily used in the UK due to ongoing regulatory ambiguities, they are increasingly prescribed in other countries and subject to intensive ongoing research