When you have long hair, especially bangs, it leaves the oils on your face, clogging your pores. This is in addition to the oils that your face normally produces.
Some tips to avoid having your hair cause acne on your face:
1.Pull your hair off your face when you sleep.
-Keep your hair off your face during the day as much as possible.
-This prevents aggravation of the skin.
2.Don't use greasy hair products
-Pomades/gels/hair sprays can clog your pores when your brush against your face
-Shield your face when applying sprays and gels.
3.Clean your hair frequently.
-Choose shampoo which contains natural ingredients.
-Make sure the shampoo doesn't contain sodium laureth sulfate.