A benign, self-limiting, dermatitis characterized by a unilateral, linear popular eruption on the extremities of children. This is descrete, and confluent lichenoid papules arranged linearly displaying a delicate silvery edge. Colour is pink in fair skinned individual and hypopigmented in dark skinned individuals. It is an asymptomatic self limiting disorder of short duation that may last up to one year. If the patient or guardian is very worried low potency steroid for two weeks may be used.