An onion will purify the air by sucking out bacteria and viruses of the air and absorbing it.
11- Treat Sun or Minor Burns
Rub some fresh onion on your burn to prevent infection. The sulphuric compounds will speed skin regeneration and reduce burning and redness.
Cut up some thin onion slices. Run some coconut oil on the bottom of your feet and apply your thin slices onto the arch of each foot. Wrap your foot with plastic wrap and cover with a sock. The onion will draw out toxins, bacteria, and sickness from the body overnight.