0.005% Latanoprost Gel for Nonsegmental Vitiligo

\- Apply 0.005% latanoprost gel to the predetermined skin lesions twice daily (morning and evening) every day for 12 weeks. - Phototherapy is administered at a dose based on the lesion's location and the response to previous phototherapy sessions. Phototherapy is performed twice a week for 12 weeks.

\- Apply 0.1% mometasone furoate cream to the predetermined skin lesions twice daily (morning and evening) for 12 weeks. - Phototherapy is administered at a dose based on the lesion's location and the response to previous phototherapy sessions. Phototherapy is performed twice a week for 12 weeks.