17 But when you fast, anoint your head and wash your face,
Matthew 6:17 Cross References - BSB
Ruth 3:3
3 Therefore wash yourself, put on perfume, and wear your best clothes. Go down to the threshing floor, but do not let the man know you are there until he has finished eating and drinking.
2 Samuel 12:20
20 Then David got up from the ground, washed and anointed himself, changed his clothes, and went into the house of the LORD and worshiped. Then he went to his own house, and at his request they set food before him, and he ate.
2 Samuel 14:2
2 So Joab sent to Tekoa to bring a wise woman from there. He told her, “Please pretend to be a mourner; put on clothes for mourning and do not anoint yourself with oil. Act like a woman who has mourned for the dead a long time.
Ecclesiastes 9:8
8 Let your garments always be white, and never spare the oil for your head.