This is true. A man should not kiss his mother or daughter on the mouth. Similarly, a brother should not kiss his sister on the mouth, or his paternal aunt or his maternal aunt, or any of his mahrams. Kissing on the mouth is only for husband and wife. And Allaah knows best.
Ruling on kissing daughters or sons on the mouth
Question: 9595
Is
it true that a father should not kiss his daughter on the mouth and that a
mother should not kiss her son on the mouth?
Answer
Praise be to Allah, and blessings and peace be upon the Messenger of Allah.
Source:
Fatawa al-Shaykh ‘Abd-Allah ibn Humayd, p. 241
Was this answer helpful?