Essential oil is the natural aroma of nature in your home. What is essential oil? Essential oil is a concentrated aromatic substance obtained from plants, which preserves the characteristic smell of the plant. Essential oils are used in aromatherapy, to fill the room with a pleasant scent, and to create a calm environment for relaxation. Essential oils come in various aromas. Lavender is for relaxation, peace, and a calm atmosphere. Lemongrass is for an energetic mood and to refresh the space. Pine, lemon, and cedar are for a natural forest scent, to relieve stress and promote calmness. Orange