Isaiah 1:25

Expanded Bible

²⁵ I will turn [^Lmy hand] against you
    and ·clean away all your wrongs as if with soap [or purify you as metal is refined; ^Lpurge your dross as with lye/potash/soap];
    I will ·take all the worthless things out of you [^Lremove all your impurities/slag].