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
Pronunciation
Oo-'idhukumaa (For self: A'ooudhu) bi kalimaat-illaahit-taammati min kulli shaytaanin wa haammah, wa min kulli ‛aynin laammah
Meaning
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.
Source: Bukhari: 3371
Read the hadith
حَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا جَرِيرٌ، عَنْ مَنْصُورٍ، عَنِ الْمِنْهَالِ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عَبَّاسٍ ـ رضى الله عنهما ـ قَالَ كَانَ النَّبِيُّ صلى الله عليه وسلم يُعَوِّذُ الْحَسَنَ وَالْحُسَيْنَ وَيَقُولُ " إِنَّ أَبَاكُمَا كَانَ يُعَوِّذُ بِهَا إِسْمَاعِيلَ وَإِسْحَاقَ، أَعُوذُ بِكَلِمَاتِ اللَّهِ التَّامَّةِ مِنْ كُلِّ شَيْطَانٍ وَهَامَّةٍ، وَمِنْ كُلِّ عَيْنٍ لاَمَّةٍ " .
Narrated Ibn `Abbas: The Prophet (ﷺ) used to seek Refuge with Allah for Al-Hasan and Al-Husain and say: "Your forefather (i.e. Abraham) used to seek Refuge with Allah for Ishmael and Isaac by reciting the following: 'O Allah! I seek Refuge with Your Perfect Words from every devil and from poisonous pests and from every evil, harmful, envious eye.' " [Bukhari: 3371]
Duas from IslamicAPI's Masnun Dua dataset (based on the Quran, hadith, Hisnul Muslim and Rahe Belayat). See the dataset