acne-likebumpsazelaicacidirritationchinacnecontactdermatitisfacialrashperioraldermatitisretinolirritationrosaceasymptomsskinbarrierirritation 29 Oct 2026 Red Bumps Around the Mouth, Chin, and Cheeks: Possible Causes and What to Consider Small red bumps that suddenly appear around the mouth, chin, or lower cheeks can resemble acne, b…