Improves scalp circulation, encouraging the growth of thicker, stronger hair. Effective mental stimulant, improving concentration. A natural expectorant with anti-inflammatory properties, loosening physical congestion caused by allergies. Fresh, green and enlivening, Rosemary is uplifting and refreshing for the mind, renewing enthusiasm and clearing mental fatigue. A powerful stimulant, Rosemary's popularity as a hair tonic has increased in recent years because of its ability to improve scalp circulation which can encourage the growth of thicker, stronger hair. Rosemary essential oil has been shown to be an effective mental stimulant, useful for improving concentration, and even thought to aid memory. Its ability to refresh the mind and revive mental clarity makes it the perfect oil to use during work, study or when you need to concentrate on a task. A natural expectorant with anti-inflammatory properties, Rosemary oil can help loosen physical congestion caused by allergies, colds or f