While it may indirectly support overall skin health through its role in glutathione synthesis, it is not typically used as a standalone ingredient specifically for pigmentation concerns
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Janky R, Varga V, Hermann A, Saransaari P, Oja SS
GHK-Cu + Vitamin C & Zinc Research protocols commonly investigate GHK-Cu alongside: Vitamin C Zinc because of their involvement in: Collagen-related pathways Skin-integrity and dermal-maintenance mechanisms Antioxidant-support pathways Tissue-maintenance and regenerative signaling Physiological-resilience pathways Vitamin C is commonly investigated for its interaction with collagen-support and antioxidant-related pathways, while Zinc is frequently researched for its role in skin-integrity, tissue-maintenance, and copper/zinc balance within GHK-Curelated research models
It is usually supplemented as L-leucine, the free form used in precision amino acid formulation in aquafeeds
