One day you pick up your cat and notice their chin looks dirty. Little black specks, like ground pepper, stuck to the skin. You try to wipe them off but they don’t budge. It’s most likely feline acne, a very common skin problem in cats.
What feline acne is
Hair follicles on the chin make too much keratin, which plugs the follicle opening and leaves a blackhead. The chin has a lot of oil glands and cats can’t groom it themselves, so that’s where it shows up.
Breed, sex and age make no clear difference. Any cat can get it. About 58% of cases stay at the blackhead stage and don’t need treatment. The other 42% go on to a bacterial infection.
Mild or infected
Mild (blackhead stage)
- Black specks along the chin and lower lip
- The area may feel slightly gritty or oily
- Your cat doesn’t seem bothered
- It can stay like this for a long time
Infected
- Red, swollen bumps, sometimes with pus
- Hair loss around the chin
- Crusting, bleeding, or oozing
- Scratching at the chin or rubbing it on things
- In bad cases the whole chin swells and is painful to touch
Blackheads alone are usually fine to manage at home. If the chin is red or swollen, or your cat seems uncomfortable, take them to the vet.
What causes it
The exact cause isn’t known, but a few things are linked to it.
Plastic bowls come up most often. Plastic scratches easily, the scratches hold bacteria, and your cat’s chin presses against them at every meal. No study has proven this yet, but vets usually suggest changing the bowl first. Our hydration guide covers which bowls to pick.
Oil and debris that stay on the chin make it easier for follicles to clog.
Stress and immune factors may play a part by making the oil glands more active.
Bacterial infection is what makes acne worse. In one study of 22 cats, 45% had bacteria, mainly staph, and 18% had Malassezia, a yeast. They don’t cause the acne, but they turn blackheads into painful infections.
How to treat it at home
- Switch to stainless steel or ceramic bowls and wash them daily.
- Warm compress. Soak a clean cloth in warm water and hold it on the chin for a few minutes to soften the plugs, once or twice a day.
- Wipe gently. After the compress, wipe the chin with a damp cloth. Don’t pick or squeeze.
- Go easy. If it’s only blackheads, it’s mostly cosmetic, and hard scrubbing irritates the skin.
Don’t use human acne products on your cat. They’re too strong for cat skin and can burn it.
When to see the vet
See a vet if you notice
- Red, swollen, or painful bumps on the chin
- Crusting, bleeding, or discharge
- Your cat scratching at the chin frequently
- Chin swelling that’s getting worse
- No improvement after 2-3 weeks of home care
Your vet will first rule out things that look similar, like flea dirt, fungal infection or eosinophilic granuloma, then treat according to how bad it is: something applied to the skin or medicated wipes, and medication by mouth only for severe cases.
It’s related to stud tail
Stud tail is greasy, matted fur at the top of the tail base, sometimes with blackheads. It has the same cause as chin acne, overactive oil glands and plugged follicles, just in a different spot. The chin version is easier to see because the fur there is short.
Frequently Asked Questions
Are the black spots on my cat’s chin flea dirt? Only if they wipe off. Flea dirt is loose and turns reddish-brown when wet, because it’s digested blood. Acne blackheads sit in the skin and don’t wipe off easily. If you’re not sure, press a wet white paper towel on the specks. A red-brown smear means flea dirt.
Can I pop my cat’s chin blackheads? No. Squeezing pushes bacteria deeper into the follicle and can turn simple blackheads into a painful infection. A warm compress and gentle wiping is safer.
Will switching from a plastic bowl actually help? It helps a lot of cats. There’s more than one cause, so it isn’t guaranteed to cure it, but it removes the most common trigger. Use stainless steel or ceramic and wash it daily.
References
- Scott, D. W., & Miller, W. H. (2010). Feline Acne: A Retrospective Study of 74 Cases (1988-2003). Japanese Journal of Veterinary Dermatology, 16(4), 203-209. J-STAGE
- Jazic, E., et al. (2006). An evaluation of the clinical, cytological, infectious and histopathological features of feline acne. Veterinary Dermatology, 17(2), 134-140. PubMed
- White, S. D., et al. (1997). Feline acne and results of treatment with mupirocin in an open clinical trial: 25 cases. Veterinary Dermatology, 8(3), 157-164. PubMed
- Miller, W. H., Griffin, C. E., & Campbell, K. L. (2013). Muller and Kirk’s Small Animal Dermatology, 7th ed. Elsevier.
- International Cat Care. (2023). Acne and Stud Tail. iCatCare