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GHK-Cu has plausible complementary mechanisms and better tolerability, making it a reasonable add-on for sensitive skin, but it does not replace retinoids based on current evidence

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Injectable peptide decorated functional nanofibrous hollow microspheres to direct stem cell differentiation and tissue regeneration

A cosmetic 'anti-ageing' product improves photoaged skin: a double-blind, randomized controlled trial

Controlled, consistent release of ingredients Unlike serums and shampoos that wash away or need frequent reapplication, Glow Up Copper Peptide Patches provide a controlled, sustained release of copper peptides over several hours