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IL-4 and IL-13 suppress the production of filaggrin, a structural protein critical for maintaining the stratum corneum
GHK-Cuis a naturally occurring copper-binding tripeptide found in human plasma, studied for its role in skin regeneration, collagen synthesis, and tissue repair
Reconstitution Guidelines All peptides discussed arrive as lyophilized powder requiring reconstitution with bacteriostatic water
GHK-Cu vs Matrixyl Matrixyl is another well-known peptide ingredient found in many anti-ageing skincare products
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