Hi, Classimami:
The second chapter of Esther gives some indication of the purification process and the item she took with her to meet the king.
Verse 12: Each young woman’s turn came to go in to King Ahasuerus after she had completed twelve months’ preparation, according to the regulations for the women, for thus were the days of their preparation apportioned: six months with oil of myrrh, and six months with perfumes and preparations for beautifying women.
It is my understanding that this process involved a particular diet, bathing routine.
Verse 15: Now when the turn came for Esther the daughter of Abihail the uncle of Mordecai, who had taken her as his daughter, to go in to the king, she requested nothing but what Hegai the king’s eunuch, the custodian of the women, advised. And Esther obtained favor in the sight of all who saw her.
It is my understanding that the signficant message with regard to what Esther took to meet the king is that she submitted, listened, and obeyed the king's eunuch, which is parallel to how we are to submit, listen, and obey as we are being divinely led, which is what Esther as queen had to do....
According to the movie "One Night With the King", it showed how the other women picked items (large, ornate jewelry) that THEY wanted for themselves (selfish) versus choosing an item that would please the king (unselfish). Esther's item, according to the movie, was a small pendant that the king's eunuch said would catch the king's attention, in part because of its subtlety.
It's a double parallel to me, how we interact with the Lord as well as how we interact with our husbands. The marital relationship is said to be the CLOSEST similarity to the Lord's relationship with the Bride of Christ.
Hope this helps....