Pemphigus is a group of relatively chronic autoimmune disorders characterized by formation of intraepithelial bullae in the skin and mucous membrane, The effect of Polarized Light therapy, expressed as pain reduction and the healing of oral cutaneous erosions in PV Objective: The aim of this study was to assess the therapeutic efficacy of Polarized Light therapy on pemphigus vulgaris patients. Patients and Methods: Twenty patients diagnosed as had pemphigus vulgaris were selected randomly from k