Rose water Phoenicians considered large public rose gardens to be as important as croplands such as orchards and wheat fields. Rose perfumes are made from rose oil, also called "attar of roses", which is a mixture of volatile essential oils obtained by steam-distilling the crushed petals of roses. Rose water is a by-product of this process. The cultivation of various fragrant flowers for obtaining perfumes, including rose water, may date back to Sassanid Persia, where it was known as "golāb" (Middle Persian: گلاب), from "gul" (rose) and "ab" (water). The term was adopted into Byzantine Greek as "zoulápin". The process of creating
Bergamot essential oil directly to the skin via a patch test, followed by exposure to ultraviolet light, a concentration-dependent phototoxic effect is observed. However, if the oil is twice rectified (and therefore bergapten-free), no phototoxic response is observed. The International Fragrance Association (IFRA) restricts the use of bergamot essential oil due to its phototoxic effects. Specifically, IFRA recommends that leave-on skin products be limited to 0.4% bergamot oil, which is more restrictive than any other citrus-based essential oil. Although generally recognized as safe for human consumption, bergamot essential oil contains a significant amount of bergamottin, one of two furanocoumarins believed to be responsible