Essential oils are natural, but they're not as safe as you think. 1  1. Skin discoloration, burning and sores. 2  2. Danger to babies and pregnant women. 3  3. Skin irritation and itching. 4  4. Danger to small pets. 5  5. Dangerous interactions with preexisting conditions. 6  6. Illness or death when swallowed.
Narcotics is a term used to describe all illegal drugs. It depends which narcotic you are taking. Like marijuana will take anywhere from a week to a month depending on your usage and metabolism. where as cocaine will take about three to five days depending on usage and metabolism. All are different.
Opiates will stay in your saliva for one to four days. Evidence of drug use will be present in saliva for a longer period of time than in the blood. Alcohol abuse can be detected for one to five days, marijuana and cocaine for one to ten days, and heroin, opium, and meth for one to four days.