NET

12 At the end of the twelve months that were required for the women, when the turn of each young woman arrived to go to King Ahasuerus—for in this way they had to fulfill their time of cosmetic treatment: six months with oil of myrrh, and six months with perfume and various ointments used by women—

Darby

12 And when every maiden's turn came to go in to king Ahasuerus after that she had been treated for twelve months, according to the manner of the women (for so were the days of their purification accomplished six months with oil of myrrh, and six months with spices, and with things for the purifying of the women,

KJV

12 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;)