Rosemary has a clean, sharp, herbaceous, menthol-like scent to it. It doesn’t smell like the rosemary you cook with; It has an icy hot sensation that clears out lungs and mind. Rosemary is the #1 oil for hair growth. It helps to stimulate the scalp to slow down hair loss, promote healthy hair growth, and to strengthen the hair at the base. It is a great tonic for the scalp and will help prevent dandruff. It is good to use when trying to boost your immune system, to combat colds, flu, sinusitis, bronchitis, and other respiratory infections. It helps you clear up congestion so you can breathe more easily. It is the top oil for helping your brain and your memory work at top form. Rosemary will also help you relieve nervous exhaustion and stress-related illness. This is an excellent oil for treating many types of infections, especially staph, strep, and cystitis. When diffused, the antiseptic properties of Rosemary help prevent the spread of airborne infections.