Scientific laws are considered established and universally applicable (to certain class of things or phenomenon under appropriate conditions) but not necessarily definitive. Also called laws of science.
3. Eucalyptus Oil â there are a few different types. In the absence of R.C. oil, grab any kind of eucalyptus that you have and diffuse for congestion relief. 4. Thieves Oil â I donât even know where to start with Thieves oil because it helps with just about everything.
Essential oils for fighting respiratory infections: benzoin, clove, eucalyptus, lavender, marjoram, tea tree, thyme. Essential oils to ease mucus congestion: benzoin, birch, cedarwood, clove, cypress, eucalyptus, ginger, peppermint, tea tree, thyme.