Feline acne is a common problem seen in cats. In most cases symptoms are are mild and pass unnoticed. More severe cases, however, may respond slowly to treatment and seriously detract from the appearance of the cat. Feline acne can affect cats of any age, sex or breed.Sebaceous glands are mostly found in the skin of the chin, base of the tail, eyelids, lips, prepuce and scrotum. They are connected to the hair follicles. In acne, the follicles become clogged with black sebaceous material, forming comedones (also known as blackheads). These comedones become irritated, swollen & infected, leading to pustules. The cats may also experience itching and discomfort due to swelling and bacterial growth inside infected glands. CausesThe main causes of feline acne include:Hyperactive sebaceous glandsPoor grooming habitsFood allergiesPlastic food bowls (because it is hard to remove bacteria)Stress on the animal