1. Sedation and hypnosis. A research organization has done tests. After inhaling 10% lavender essential oil, the subjects will show obvious relaxation, reduced anxiety, increased EEG alpha waveforms, and a clear sense of comfort in the EEG. Secondly, it relaxes muscles and relieves fatigue. In addition to acting on the central nervous system, lavender essential oil can also relax smooth muscles, relax muscles, diastolic blood vessels, relieve stress and fatigue. Third, antibacterial effect lavender, potassium solution in lavender, has excellent antibacterial and antifungal effects. Fourth, reduce scars. The mechanism of action of lavender essential oil on scars is not clear. As far as practical application results are concerned, the use of lavender essential oil during the healing period of the skin helps to reduce scar tissue, and can also be very effective for scars that have already formed. The skincare benefits of lavender are mainly manifested in the fact that the components in lavender can scavenge and inhibit free radicals for antioxidant purposes.