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.
KJV
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 the women, (for so were the days of their purifications accomplished, [to wit], six months with oil of myrrh, and six months with sweet odours, and with [other] things for the purifying of the women;)
ASV
Now when the turn of every maiden was come to go in to king Ahasuerus, after that it had been done to her according to the law for the women twelve months (for so were the days of their purifications accomplished, to wit, six months with oil of myrrh, and six months with sweet odors and with the things for the purifying of the women),