Rose of Bulgaria by Biofresh is one of the most popular cosmetic lines in Bulgaria . Bulgarian Rose Oil, or Rose Otto, is the essential oil extracted from the petals of one of the rarest flowers in the world, the Bulgarian Rose Damascena; which is only cultivated and harvested in the Rose Valley of Kazanlak (also known as the “Bulgarian Rose Valley”). Because of its amazing properties, multiple applications in skin care, medicine, aromatherapy, and fine perfumery, and extremely limited supply very year, pure genuine Bulgarian Rose Otto is considered one of the most precious essential oils in the world.