First of all, we should know that rosemary essential oil is a kind of plant essential oil. So his degree of harm to our body is very small, for some older people, the body function is deteriorating, often indigestion or blood does not circulate the phenomenon, this time on the point of rosemary essential oil, can be very good to regulate these problems. And now the work pressure is very big, a day, often can not find time to rest, the use of rosemary essential oil can enhance the human memory, at the same time can be to a certain extent to calm people's mood, is very suitable for some of the over-exertion of the brain students to use. And rosemary essential oil can also be used for hair care, it will be in accordance with a certain proportion of the mix, can be used directly to wash the hair, not only will not cause any side effects on our hair, but also can improve our hair roots. Rosemary essential oil is a lot of efficacy, but the specific effect or according to the individual situation to decide. At the same time, we use rosemary essential oil frequency should also be grasped, can not be used frequently, or it is difficult to ensure that it will cause any side effects on our body.