Dreaming of oily hair is a warning sign as per dream meaning and interpretation. The dream means you will be obsessed with beauty and this will cause hardships and troubles. It also means a beauty product or treatment going wrong and you will be forced to do something different which might be embarrassing. Dreams of oily hair also mean your insecurity will result in blunders. It also means jealousy forcing you to do silly things.
Dream of oily hair and you are not seen in the dream means you will not aware about something that has gone wrong. It also means people making fun of you.
Dreams of oily hair and you are seen in the dream means you will start wondering soon whether certain practice you are following is worth it. It also means you being forced to follow tradition or customs.
Dreaming of oily hair and you see other people in the dream means you will follow the directions of a group or sect. It also means participating in something that you had not done before.