Rosemary oil is primarily extracted from the perennial herb rosemary/rosmarinus officinalis bush. Recognized for its special fragrance, rosemary oil is widely used in body perfumes, body lotions, hair care products. Rosemary oil is celebrated as a natural brain booster. The oil increments mental capacity and is tremendous on the central nervous system (CNS) /systema nervosum centrale. It has been recognized to heighten memory, clear the mind of all the clutter and elevate mental awareness as well.