Whenever the Prophet of Allah ﷺ entered the toilet, he would say, "I seek refuge with Allah from male and female evil spirits."
حدثنا إسماعيل حدثنا عبد العزيز
كان نبي الله ﷺ إذا دخل الخلاء قال أعوذ بالله من الخبث والخبائث
Its isnad is sahih, mentioned previously at 11886.