Rosemary essential oil is extracted from the leaves of the Rosemary plant that belongs to the mint family. It is an antioxidant proven to fight free radicals and also a marvelous remedy for hair loss and dandruff. It has been used over centuries to treat memory loss, relieve pain and boost the immune system. Rosemary is considered an anti-inflammatory and an antiseptic due to its unique chemical composition. It also has the psychological benefits of reducing stress and depression.