Parallel
Jeremiah 2:22
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
For though thou wash thee with nitre, and take thee much soap, yet thine iniquity is marked before me, saith the Lord God.
Although you wash with lye and use an abundance of soap, the stain of your guilt is still before Me,” declares the Lord GOD.