22 JUN 2023 · e usually need to use the process of elimination to determine the causes of skin peeling inside the mouth. Peeling the skin inside your cheeks, lips, and roof of your mouth may be caused due to allergic reactions from active chemicals (like Sodium Lauryl Sulfate) in your toothpaste. Once you start paying attention to what you are using on your teeth and gums and any other warning signs, it becomes simpler to find out the root cause of peeling skin within the mouth. For more information, visit our website at https://www.lakshmedental.com/.