Clary sage is a biennial or perennial plant that can grow up to 1.8 m tall. The soft and subtle scent of clary sage is known to help relax the mind and body. Its main chemical component is linalyl acetate, a type of ester, which is why clary sage has a calming and balanced scent. In the Middle Ages, clary sage was often used for its skin soothing properties. Clary sage essential oil, which has a calming scent that gives a feeling of relaxation, is good for relaxing when used before bedtime.