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.
Step 1. Place two to four drops of oregano essential oil into an oil diffuser for two hours or overnight to help with coughing, congestion and sinus inflammation. You can also dilute three drops of the oil in almond oil and apply the solution to the chest and under the nostrils.ow to Use Oregano Oil to Treat Thrush. Apply ten drops of oregano essential oil to a clean cotton cloth, and use it as a natural antiseptic cleanser on furniture, countertops, toys and office supplies.