Here, it is combined with niacinamide, vitamin C and tranexamic acid to help fade hyperpigmentation and dark spots, as well as even out dull, uneven skin
It consists of the tripeptide glycyl-L-histidyl-L-lysine complexed with a divalent copper ion, forming a high-affinity chelate that facilitates controlled copper delivery within biological systems
doi:10.1093/chromsci/37.12.462 Kidd KA, Blanchfield PJ, Mills KH et al (2007) Collapse of a fish population after exposure to a synthetic estrogen
It also allows the manufacturer to offer clients a broad selection of ready-to-adapt formulas rather than requiring every product to be developed from the beginning
Medical Conditions Those with kidney disease, a history of kidney stones or certain metabolic disorders (such as G6PD deficiency) should consult a doctor before receiving IV vitamin C, as high doses could pose health risks