Essential oil characteristics and effects, but also the products of the very same tree can vary grossly. Lavender oil has long been used in the production of perfume. However, it can be estrogenic and antiandrogenic, causing problems for prepubescent boys and pregnant women, in particular. Lavender essential oil is also used as an insect repellent. Rose oil is produced from the petals of "Rosa damascena" and "Rosa centifolia". Steam-distilled rose oil is known as "rose otto", while the solvent extracted product is known as "rose absolute". The potential danger of an essential oil is sometimes relative to its level or grade of
Attar of Nishapur Attar of Nishapur Abū Ḥamīd bin Abū Bakr Ibrāhīm (c. 1145 – c. 1221; ), better known by his pen-names Farīd ud-Dīn () and ʿAṭṭār (, Attar means apothecary), was a twelfth-century Persian poet, theoretician of Sufism, and hagiographer from Nishapur who had an immense and lasting influence on Persian poetry and Sufism. Manṭiq-uṭ-Ṭayr ["The Conference of the Birds"] and "Ilāhī-Nāma" are among his most famous works. Information about Attar's life is rare and scarce. He is mentioned by only two of his contemporaries, `Awfi and Tusi. However, all sources confirm that he was from Nishapur, a major city of