ONLY IF ITS IN AN OPEN CONTAINER
THE AROMATIC SNEED OILS EITHER EVAPORATE OR OXIDIZE
IF YOU SEAL IT IN IT WILL KEEP GOOD, BUT IT RESUME ITS INEVITABLE MARCH TO GETTING STALE THE MOMENT YOU UNCORK THE THERMOS
Discussion
SOME COMPOUNDS WILL REACT WITH EACH OTHER BUT FOR THE MOST PART -- IT WILL BE FBVRESH