Rosemary oil is extracted from Rosmarinus officinalis and is considered one of the most popular essential oils due to its various health benefits. This oil has a pronounced action on the brain and the central nervous system. Due to its amazing fragrance, it is often used in the meditation process. Further, Rosemary oil also helps with headaches, migraines, neuralgia, mental fatigue and nervous exhaustion. It can help for arteriosclerosis, palpitations, poor circulation and varicose veins. Further, with the help of Rosemary oil hair and scalp health can also be improved.Rosemary oil is extracted from the fresh flowering tops by steam distillation.