Black earwax in kittens but not smelly may be caused by dirt, secretions, or ear mites. You need to observe whether the cat’s ear canal is inflamed. If the cat’s ear is inflamed, treat it in time to avoid aggravation of the condition; if the cat’s ear is inflamed, If itching, scratching the ears frequently, shaking the head constantly, etc., then it is ear mites. You can use ear cleaning solution for the cat regularly; if it is dirt, just use a cotton swab dipped in water, and then gently wipe it off with the cat.