NET
18 and the remainder of the olive oil that is in his hand the priest is to put on the head of the one being cleansed. So the priest is to make atonement for him before the Lord.
Darby
18 And the remainder of the oil that is in the priest's hand he shall put upon the head of him that is to be cleansed, and the priest shall make atonement for him before Jehovah.
KJV
18 And the remnant of the oil that [is] in the priest's hand he shall pour upon the head of him that is to be cleansed: and the priest shall make an atonement for him before the LORD.