Reference: Fataawa al-Lajnah ad-Daa.imah lil-Buhooth al-‘Ilmiyyah wal-Iftaa., – Volume 3, Page 100, Question 5 of Fatwa No.6542
Question: How correct is it to say: “‘Alee Karra-mAllaahu wajhahu” (‘Alee [ibn Abee Taalib], may Allaah honour his face (i.e. him))”?
Response: There is no basis for saying this specifically for ‘Alee (radhi-yAllaahu ‘anhu), rather it is an example of the excessive [love and respect] of the Shee’ah (Raafidhah) towards him.
And with Allaah lies all success and may Allaah send prayers and salutations upon our Prophet (sal-Allaahu ‘alayhi wa sallam) and his family and his companions.