Several essential oils can effectively alleviate symptoms of the common cold when used at home. Eucalyptus oil, renowned for its decongestant properties, helps clear nasal passages and relieve congestion, while also possessing antimicrobial properties to combat respiratory infections. Peppermint oil offers relief for sore throats and sinus congestion due to its cooling menthol content, acting as a natural decongestant. Tea tree oil's strong antimicrobial properties make it effective against cold-causing bacteria and viruses, aiding respiratory symptoms and bolstering the immune system. Lavender oil's calming effects can reduce stress and improve sleep quality during a cold, while its mild antiviral properties offer additional immune support. Lemon oil, rich in vitamin C, boosts immunity and provides congestion relief when diffused or inhaled with hot water. Proper dilution and consultation with a healthcare professional are essential before using essential oils, especially for those with underlying health conditions or during pregnancy or breastfeeding.