I think no because as Nicci read in the "book of life" a pure field is necessary to restore the memory but in this case even if there wasn't a pure field in Kahlan there weren't any problems cause she fall in love again with Ricahrd..... Am I wrong?
" I'm the one of the prophecies. I AM Fuer Grissa OSt Drauka. I'm the true Seeker of Truth because I'm the only one who could make the blade become white. I'm Lord Rahl and I'm searching my Mother Confessor......."