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.
Leave on for 5 to 10 minutes. Mint in general is considered to have allergy-reducing properties, so a cup of mint tea might help, too! 5. Herbal tonic oil can combat congestion. Relieve chest congestion by rubbing tonic oil on your chest and upper back.