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Safety basics for DSIP and other peptides Peptides are not vitamins

GHK-Cu has stronger evidence in dermal and cosmetic applications, including small human studies demonstrating improvements in skin thickness, density, elasticity, and wrinkle reduction after topical application

Its relevance across multiple biological systems makes GHK-Cu peptide a core compound in skin-related and regenerative research models , particularly where collagen signalling and structural repair are being investigated

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Rebuilds what keeps skin firm GHK-Cu activates fibroblasts, the cells that make collagen and elastin, the proteins behind firmness and bounce