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The presence of high concentrations of tyrosine in the locus coeruleus and the substantia nigra leads to increased melanin synthesis which confers on these brain regions a dark bluish coloration observable in brain sections
Zoger S, Svedlund J, Holgers KM
Monica Scheel Platinum Collagen), niacinamide, and tranexamic acidto nudge spots lighter while calming melasma triggers
& Agoulnik, A
Reactive intermediates resulting from lipid peroxidation (4hydroxynonenal), nucleotide peroxidation (adenine propenal) or catecholamine peroxidation (aminochrome, dopachrome, adrenochrome) are particularly inactivated by GSTs (DagninoSubiabre et al., 2000)
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