Lichen planus (LP) is a chronic, inflammatory dermatosis characterized by T cells targeting basal keratinocytes because of dysregulated cell-mediated immunity, with associations including viral infections, medications, contact allergens, and autoimmune conditions. In individuals with darker skin tones, hypertrophic, pigmentosus, and actinic variants of lichen planus are observed more frequently, suggesting that environmental and pigmentary factors may influence disease expres