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 Amber is a fossilized resin July 31, 2014 Herbs that help combat varicose veins include April 22, 2015 Sound Therapy August 11, 2014