No crusty outer skin, and no black scaling stuff, it is just swollen. He has a stainless water bowl, but prefers running water from our bathroom sink. I give them fresh water every day. Please shed as much light on this as possible. I really don't want anything bad to happen to him.
Feline acne is a keratin disorder similar to acne in humans.
It can be seen in any breed of cat and usually in an adult cat. The lesions are usually found on the ventral chin and in more severe cases on the commissures and upper lips. Normally the hair follicles fill with keratin debris and form a blackhead. Secondary bacterial infections may following leading to a folliculitis. The condition is usually not puritic unless secondary bacterial infection is involved.