Rosemary has a herbaceous, sweet, and slightly camphorous aroma that is clarifying and invigorating. It is a stimulant and used to help sharpen memory and clear the mind as well as increase mental awareness. It can aid in increasing circulation and relieving pain in the joints. Rosemary is also said to help control dandruff, oily scalp, and skin, acne, and is said to encourage hair growth.