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GHK-Cu acts as a copper-binding signalling peptide that modulates the expression of thousands of genes involved in collagen remodelling, antioxidant defence, and tissue repair

This may cause: Redness Flushing Itching Mild swelling This histamine response is often harmless and temporary but can be annoying

While most individuals obtain sufficient amounts of vitamin B12 through their diet, some individuals may require supplementation due to certain health conditions or lifestyle choices that can lead to vitamin B12 deficiency

For someone interested in skin rejuvenation or surface-level wound healing, GHK-Cu offers a cheaper path with comparable (and possibly superior) evidence

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