2 Samuel 12:20

And the heart of King David was consumed with going out to Absalom; for he was comforted concerning Amnon, since he had died.

So Joab sent to Tekoa and brought a wise woman from there and said to her, “Please pretend to be a mourner, and put on mourning garments now, and do not anoint yourself with oil, but be like a woman who has been mourning for the dead many days;

Now Mephibosheth the son of Saul had come down to meet the king; and he had not done anything for his feet, nor done anything for his mustache, nor washed his clothes, from the day the king departed until the day he came home in peace.

“But you, when you fast, anoint your head and wash your face

“You did not anoint My head with oil, but she anointed My feet with perfume.