In acne, the skin pores become clogged with black sebaceous material, forming comedones (also known as blackheads).

[2] Bacterial folliculitis occurs when follicles become infected with Staphylococcus aureus and is commonly associated with moderate-to-severe feline acne.

[2] Clearing the acne can be accomplished using an extra-soft bristled toothbrush or flea comb (one designated for this purpose) to brush the cat's chin.

Epsom-salt compresses applied twice daily dry the affected area to relieve the inflammation and itchiness.

[4] Cats may also have food allergies that make the development of acne more likely, so that switching kibble or changing to a hydrolyzed diet may be effective.