12 Discussion To date, there are few studies demonstrating utility of topical glutathione in treating hyperpigmentation, oxidative damage, TEWL, and improving skin elasticity
However, for moderate to severe hyperpigmentation especially melasma or long-standing sun damage Ingredients alone are insufficient
L-Carnitine is a naturally occurring amino acid that can be derived from the two amino acids, lysine, and methionine in the body
Its interference with melanin production promotes an even skin tone, effectively reducing the appearance of dark spots and promoting a more uniform complexion
Some rodent studies and anecdotal protocols use 500 mcg twice daily subcutaneously, but no dose-response trials in humans have established an optimal range
The two strategies suit different situations, and only a clinician reviewing your labs and history can say which, if either, is appropriate