The Prophet ﷺ said, "The buyer and the seller each have the option so long as they have not parted. If they are truthful and open with one another, their transaction is blessed, but if they lie and conceal, the blessing of their transaction is wiped out."Ibn Jafar said, "wiped out" (using the other form of the verb).
حدثنا محمد بن جعفر عن مثله قال ما لم يتفرقا