In the twelve months before her turn to go to King Xerxes, the harem regulation required each young woman to receive beauty treatments with oil of myrrh for six months, and then with perfumes and cosmetics for another six months.
How God put down one that was high and mighty from her seat we read in the chapter before, and are now to be told how he exalted one of low degree, as the virgin Mary observes in her song (Luk 1:52) and Hannah before her, Sa1 2:4-8. Vashti being humbled for her height, Esther is advanced for her humility. Observe, I.
Commenting on Esther 2:1-20
Now when every maid's turn was come to go in to King Ahasuerus, after that she had been twelve months, according to the manner of women,.... That were prepared in the house of the women to be presented to the king for his liking; for it seems that these virgins came in turns to him, according to the time they had been in the house...
Now when every maid's turn was come to go in to king Ahasuerus--A whole year was spent in preparation for the intended honor. Considering that this took place in a palace, the long period prescribed, together with the profusion of costly and fragrant cosmetics employed, was probably required by state etiquette.