Fir needle essential oil can prevents infections, can detoxifies the body, improves respiratory function and decrease body odor. Lavender essential oil has a calming scent which makes it excellent for relaxing the nerves and anxiety issues. It can also be helpful in treating migraines, headaches, depression, nervous tension and emotional stress. The refreshing aroma removes nervous exhaustion and restlessness while also increasing mental activity. Lavender is also good for the skin because of the antibacterial and antiseptic properties.