Patch Testing as a Corroborative and Diagnostic Tool in Patients Suspected of Contact Allergen Induced Facial Melanosis.

Background: Hypermelanosis involving predominantly the face and neck is relatively common and often presents a complex diagnostic problem.

Objective: To study the patterns of facial melanosis in Indian skin and assess the importance of patch testing as a corroborative tool in the diagnosis of facial melanosis.

Subjects And Methods: A total of 50 patients who consented to the study and satisfied the inclusion and exclusion criteria were incorporated in the study.