Essential oils are a real "key" to beauty, good health and complete harmony. Useful properties of essential oils are known since ancient times, they were used by the ancient Greeks, Romans, Egyptian pharaohs. Essential oil is a concentrated, volatile mixture of fragrant substances, obtained from plant materials by pressing, extraction, distillation. It is thanks to aromatic oils that plants can boast of their unique aroma. Each essential oil is unique and unrepeatable, includes at least hundreds of active substances and acts directly on the chemical, physical and psychological levels.