(Italian for 'The Lady with Dishevelled Hair') is an unfinished painting generally attributed to the Italian High Renaissance artist Leonardo da Vinci, and dated c. 1506–1508. Painted in oil, umber, and white lead pigments on a small poplar wood panel, its attribution remains controversial, with several experts attributing the work to a pupil of Leonardo. The painting has been admired for its captivating beauty, mysterious demeanor, and mastery of sfumato.