Rose the flowers; for example, about two thousand flowers are required to produce one gram of oil. The main constituents of attar of roses are the fragrant alcohols geraniol and L-citronellol and rose camphor, an odorless solid composed of alkanes, which separates from rose oil. β-Damascenone is also a significant contributor to the scent. Rose hips are occasionally made into jam, jelly, marmalade, and soup or are brewed for tea, primarily for their high vitamin C content. They are also pressed and filtered to make rose hip syrup. Rose hips are also used to produce rose hip seed oil, which is
Essential oil be any vegetable oil readily available, the most popular for skin care being jojoba, coconut, wheat germ, olive and avocado. Essential oils are derived from sections of plants. Some plants, like the bitter orange, are sources of several types of essential oil. Balsam of Peru, an essential oil derived from the "Myroxylon", is used in food and drink for flavoring, in perfumes and toiletries for fragrance, and in medicine and pharmaceutical items for healing properties. However, a number of national and international surveys have identified Balsam of Peru as being in the "top five" allergens most commonly causing patch test