Originally Posted By: grampi
Originally Posted By: Cipriano
Tried the peanut butter tonight with wax that had baked onto black plastic all summer long. It worked like a charm. A little Jif and an old toothbrush, 5 seconds on brushing and it's gone. Wonder what's in the PB that makes it work?
Peanut oil.
Like dissolves like. Liquid oils can soften dried oils.