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The rich polar and acidic amino acids in the L2 and L4 regions of hTYR stabilize arbutin in this area, allowing it to successfully chelate with copper ions
GHK peptide follicle regeneration GHK (glycyl-histidyl-lysine) is a copper-binding tripeptide that stimulates dermal papilla cell proliferation and protects them from apoptosis
Old matrix components are degraded, new proteins are synthesized, and cellular populations reorganize in response to changing physiological demands
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