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 Witch Hazel has healing properties June 27, 2014 Magazines showcase both print and online April 30, 2014 Cell phones emit EMF August 30, 2016