Simplify the following text for a Grade 10 native English-speaking person.
Original: The epithelium of the glans penis is moist and washing it too much can dry the mucous membrane that covers the glans penis and cause dermatitis .
Simplified: The epithelium of the glans penis is mucocutaneous tissue . Birley et al . report that excessive washing with soap may dry the mucous membrane that covers the glans penis and cause non-specific dermatitis .