How much oil is sunnat to apply on hair and how often It is sunnah to apply oil? DWQA Questions › Category: Miscellaneous › How much oil is sunnat to apply on hair and how often It is sunnah to apply oil? 0 Vote Up Vote Down JonSnow Staff asked 3 years ago 1 Answers 0 Vote Up Vote Down JonSnow Staff answered 3 years ago The holy prophet’s hair had so much oil that a piece of cloth was used to prevent oil to stain the topi or the cloth. So apply oil everyday. Else do apply after Jum’ah Bath.