what casuses acne
Acne typically appears on your face, neck, chest, back and shoulders. These areas of skin have the most oil (sebaceous) glands. Acne occurs when hair follicles become plugged with oil and dead skin cells.Hair follicles are connected to oil glands. These glands secrete an oily substance (sebum) to lubricate your hair and skin.cne myths. These factors have little effect on acne: 1  Greasy foods. 2  Eating greasy food has little to no effect on acne. 3  Though working in a greasy area, such as a kitchen with fry vats, does because the oil can stick to the skin and block the hair follicles. 4  This further irritates the skin or promotes acne. 5  Dirty skin.