Phototoxicity from rue when used as a mosquito repellent
Tuesday, August 7th, 2007Ruta graveolens (rue, witchbane) is used as a mosquito repellant. Pick the flowering plant, crush it, and rub the oils over your skin.
But when the psoralens from rue come in contact with human skin and are exposed to ultraviolet A light, a photoirritant reaction can occur. (more…)