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- n. 5-methoxypsoralen, a psoralen found in the essential oil of bergamot (where it is the cause of phototoxicity) and other citruses.
Sorry, no etymologies found.
This risk is fairly low when the low levels of citrus oils in the composition are maintained, and is even further lowered when citrus oils where the furanocoumarins have been removed is used i.e.: bergapten-free bergamot essential oil.