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Neither is universally "better"-they are related copper peptides with similar roles in collagen and repair
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Hair follicle activation: GHK-Cu extends the anagen (growth) phase and stimulates proliferation of dermal papilla cells, the structures that anchor and nourish hair follicles
This means your skin doesn't just look better on the surface
The lyophilized formulation preserves the integrity of the peptide-metal complex, ensuring stability during storage and transport
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