It is best not to pick off the cat's black chin directly with your hands to avoid inflammation. If the cat's black chin is not serious, it is best to apply it with a hot towel first, then dip a cotton swab in hydrogen peroxide and gently wipe it off; if it is a moderate black chin, you can use erythromycin ointment mixed with Vaseline and apply it with a cotton swab. Evenly, gently rub out the black particles on the chin, and finally wipe it clean with boric acid lotion. If the black chin is particularly severe, you need to seek medical attention promptly.

Dark chin in cats is generally caused by folliculitis. There are several reasons for folliculitis:

1. Food factors: Cats with excessive nutrition will lead to inability to absorb and digest. situation, allowing fat accumulation to clog pores and cause dark chin.

2. Emotional factors: Mood fluctuations affect endocrine. In addition to excretion everywhere, black chins may also appear, but this will improve after sterilization.

3. Hygiene factors: Cats will stain their chins when eating and drinking, and they cannot clean them themselves, so over time, the hair follicles will become clogged, forming a black chin.