Lichen nitidus is a chronic inflammatory disease characterized by
1-2 mm, discrete and uniform, shiny, flat-topped, pale flesh-colored or reddish-brown papules esp on the arms and forearms.Usually asymptomatic but sometimes treatment like glucocorticoids, PUVA, UVA/UVB phototherapy, astemizole, acitretin, and etretinate may be tried.
Keratosis pilaris occurs when the human body produces excess keratin, a natural protein in the skin.