These provider oils differ from important oils in that they comprise fatty acids, nutritional vitamins and minerals, and are believed to help absorption of the essential oil by way of the skin [12]. On the flip side, fragrant essential oils can be dangerous and poisonous due to certain oils being flammable, inflicting pores and skin dermatitis, or being phototoxic, with dangers of chemical burn, oral toxicity, and even dying. If a facility has a medical aromatherapy program, it’s critical that frontline nurses be educated with a classroom course on essential oils.