Sweet-birch oil is an essential oil derived from the bark of the sweet birch tree, often through a process of steam distillation. It is known for its strong, minty, and wintergreen-like fragrance. This oil is commonly used in aromatherapy and natural remedies for its potential anti-inflammatory, anti-septic, diuretic, and analgesic properties. Its also used as a flavoring agent in some foods and beverages, and as a scent in some perfumes and cosmetics.