The Prophet (ﷺ) used to seek Refuge with Allah for Hasan (RA) and Husain (RA) and say:

أُعِيذُكُمَا [أَعُوْذُ] بِكَلِمَاتِ اللَّهِ التَّامَّةِ مِنْ كُلِّ شَيْطَانٍ وَهَامَّةٍ وَمِنْ كُلِّ عَيْنٍ لَامَّةٍ

Oo-'idhukumaa (For self: A'ooudhu) bi kalimaat-illaahit-taammati min kulli shaytaanin wa haammah, wa min kulli ‛aynin laammah

I commend you to the protection of Allah’s perfect words from every devil, vermin, and every evil eye. The Prophet (ﷺ) say: "Your forefather Ibrahim (AS) used to seek Refuge with Allah for Ishmael (AS) and Isaac (AS) by reciting this dua.

Reference: Bukhari: 3371