Ibn ‘Abbas said that God’s messenger used to commend al-Hasan and al-Husain to God’s protection, saying “With God’s perfect words I commend you to God’s protection from every devil and poisonous creature and from every evil eye.” And he would say, “Your ancestor used to commend Ishmael and Isaac with them to God’s protection.”(Abraham is here said to have done to his sons the same as the Prophet did to his grandsons.) Bukhari transmitted it. Most texts of al-Masabih have “with them” in the dual.

“The Messenger of Allah ﷺ used to seek refuge from the jinn as well as from the evil eye until al-mu’awwidhataan (Sūrah al Falaq and Al-Nās) were revealed. When they were sent down, he utilized them and left other things.” Reference: Jami` at-Tirmidhi 2058.

“The Prophet (saw) used to seek refuge for Hasan and Husain and say: A’udhu bi kalimatil-lahil- tammati, min kulli shaitanin wa hammah, wa min kulli ‘aynin lammah (I seek refuge for you both in the Perfect Words of Allah, from every devil and every poisonous reptile, and from every evil eye).’ And he would say: ‘Thus Ibrahim used to seek refuge with Allah for Isma’il and Ishaq,’ or he said: ‘for Isma’il and Ya’qub.’”

“I heard ‘Ubadah bin Samit say: ‘Jibra’il (as) came to the Prophet (saw) when he was suffering from fever and said: ‘Bismillahi arqika, min kulli shay’in yu’dhika, min hasadi hasidin, wa min kulli ‘aynin, Allahu yashfika (In the Name of Allah I perform Ruqyah for you, from everything that is harming you; from the envy of the envier and from every evil eye, may Allah heal you).’”

If you see something from your brother, yourself or wealth which you find impressing, then invoke blessings for it, for the evil eye is indeed true. Reference: Ahmad 4/447, Ibn Majah, Malik. Al-Albani graded it authentic in Sahihul-Jami' As-Saghir 1/212. Also see Al-Arna'ut's checking of Ibn Al-Qayyim's Zadul-Ma'ad 4/170.

My people sent me to Umm Salama with a bowl of water. Whenever anyone was smitten by the evil eye or anything else he sent her a basin, and she took out some hairs of God’s messenger which she kept in a little silver bell.* She moved it about for him in the water and he drank some of it. I looked into the little bell and saw some red hairs. Bukhari transmitted it. * Mirqat, iv, 515, says that although the word means a bell, it may here be used of a small box in the shape of a bell. This is the kind of bell that would be used on a tambourine.

Yahya related to me from Malik from Abdullah ibn Abi Bakr from Abbad ibn Tamim that Abu Bashir al-Ansari told him that he was with the Messenger of Allah, may Allah bless him and grant him peace, on one of his journeys. He related, "The Messenger of Allah, may Allah bless him and grant him peace, sent a messenger." (Abdullah ibn Abi Bakr said, (I think that he said it was while the people were in their resting place.) He said, "Do not let a single-string necklace, or any necklace, remain unbroken on the neck of a camel."

Yahya said, "I heard Malik say, 'I think that was because of the evil eye.' ''

Shayban al-Qatbani reported that Maslamah ibn Mukhallad made Ruwayfi' ibn Thabit the governor of the lower parts (of Egypt). He added: We travelled with him from Kum Sharik to Alqamah or from Alqamah to Kum Sharik (the narrator doubts) for Alqam.

Ruwayfi' said: Any one of us would borrow a camel during the lifetime of the Prophet (saws) from the other, on condition that he would give him half the booty, and the other half he would retain himself.

Further, one of us received an arrowhead and a feather, and the other an arrow-shaft as a share from the booty.

He then reported: The Messenger of Allah (saws) said: You may live for a long time after I am gone, Ruwayfi', so, tell people that if anyone ties his beard or wears round his neck a string to ward off the evil eye, or cleanses himself with animal dung or bone, Muhammad has nothing to do with him.

Yahya related to me from Malik that Muhammad ibn Abi Umama ibn Sahl ibn Hunayf heard his father say, "My father, Sahl ibn Hunayf did a ghusl at al-Kharrar. He removed the jubbah he had on while Amir ibn Rabia was watching, and Sahl was a man with beautiful white skin. Amir said to him, 'I have never seen anything like what I have seen today, not even the skin of a virgin.' Sahl fell ill on the spot, and his condition grew worse. Somebody went to the Messenger of Allah, may Allah bless him and grant him peace, and told him that Sahl was ill, and could not go with him. The Messenger of Allah, may Allah bless him and grant him peace, came to him, and Sahl told him what had happened with Amir. The Messenger of Allah, may Allah bless him and grant him peace, said, 'Why does one of you kill his brother? Why did you not say, "May Allah bless you?" (ta baraka-llah) The evil eye is true. Do wudu from it.' Amir did wudu from it and Sahl went with the Messenger of Allah, may Allah bless him and grant him peace, and there was nothing wrong with him."