Evaluation of The Role of Topical Cetirizine 1% in Treatment of Male Androgenetic Alopecia

Abstract

Background: Androgenetic alopecia [AGA] one of the common scalp hair loss disorders affecting males. Androgenetic alopecia is characterized by progressive miniaturization of hair follicles in the scalp and gradual transformation of terminal hairs into vellus hairs leading to progressive decrease in hair density. The pattern of loss follows the scale developed by Hamilton and later extended by Norwood.