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GHK-Cu is the star ingredient for skin-specific benefits
This helps match sulfur, amino, carboxyl, or orthogonal-handle chemistry to the actual structural goal of the project
In recent years, novel biomarkers such as neutrophil gelatinase-associated lipocalin (NGAL) and cystatin C (Cys C) have garnered significant attention due to their ability to increase early after renal injury [113, 114]
GHK-Cu (Glycyl-L-Histidyl-L-Lysine-Copper) is a naturally occurring copper-binding tripeptide found in human plasma, saliva, and urine
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