3. Echinacea
This is a herbaceous flowering whose oil is often used in a number of home remedies. They can cure bacterial infections and prevent illnesses. Besides improving the immune system, it also helps shorten the duration and symptoms of a number of illnesses. It can also be used topically to treat rashes, eczema and psoriasis and sunburns. Echinacea can also be used to clean and disinfect small wounds and cuts.