Mycosis fungoides is the most common type of cutanoues T-cell Lymphoma. It is a mature T-cell non-Hodgkin lymphoma with presentation in the skin but with potential involvement of the nodes, blood, and viscera. This case reports a 24-year-old female who presented with a two-year history of progressively increasing hypopigmented macules and patches. Skin punch biopsy and immunohistochemical stains done were suggestive of a malignant T-cell process. The patient was managed with a short course topical corticosteroids and maintained on a topical moisturizer. The patient underwent multiple sessions of narrowband UV-B Phototherapy at 2-3 times per week and showed significant improvement of the skin lesions hence, was advised to be maintained on phototherapy.