can you use injectable ghk cu topical Is GHK-Cu actually worth it?” is genuinely one of the most common questions in my comments, so let me finally answer it properly. The short version: copper peptides have real research behind Ghk-Cu Experienxe : r/Peptides

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This is not placebo: GHK-Cu upregulates glycosaminoglycan synthesis, including hyaluronic acid and dermatan sulfate, which directly increase skin hydration at the dermal level

The overlap with psoriasis is weaker, because psoriasis is driven by immune signaling that copper peptides don't directly address

The available studies concentrate on hair follicles and dermal papilla cells specifically

This feedback loop is how healthy young skin maintains its structure

In one notable study, injectable GHK-Cu administered in one body area improved healing at distant locations