roll on bottles - here - - Rosemary has an extremely appealing scent in that it's used in cooking to include great flavor to food. As a fragrance and the essential oil from this plant is becoming hugely popular too the plant can be used extensively in beauty products. The oil is extracted through steam distillation from the blooms of the rosemary plant before it is used for in different programs for different purposes. Amongst the reasons why the essential oil of rosemary is popular is the favorable effects it has on the immune system, respiratory system and the nervous system.