One of the constituents of catnip, nepatalactone, has been shown in laboratory studies to be 10 times more effective at repelling insects than DEET.
All essential oils affect the emotions but there is nothing studied and recorded about the emotional aspects of catnip essential oil.
Catnip is primarily known for its insect repellent properties. It has also been shown to be effective in deterring underground insects such as termites. Catnip oil is antispasmodic. It is effective in treatments for all forms of cramps. It is useful in relaxing tight or strained muscles. Catnip balances the flow of bile throughout the digestive system, making it a very good remedy for anyone suffering with abdominal pain caused by gas in the stomach or intestines. Catnip oil also promotes urination and helps the body to maintain proper water balance in the cells and tissues. Catnip is stimulating and toning to the entire system, but like many herbal remedies and essential oils, it also acts as a sedative. Natural remedies return the system to a state of balance, whether it is stimulation or sedation that is needed. Catnip has astringent properties which aids in tightening loose muscles and skin. Swished in the mouth, catnip can stimulate the gums to keep the teeth tightly in place.