Rosemary essential oil is often used for alertness and stimulating memory. Dap a little into a handkerchief or cotton ball and inhale as needed. It can also keep you alert during long car trips or a long day at work. You Might Also Like Tuning Forks generate precise sound frequencies that give vibrational healing December 23, 2014 Carrier oils September 30, 2013 anti-aging oils July 17, 2013