 This study explores the possibility of using jugglin's regia, l-bark residues, as a natural dye for textile use, through microwave extraction, an evaluation of colorometric coordinates, and color strength. Good results were obtained with brown shades and acceptable fastnesses to washing, rubbing, and light. This article was authored by Manel Ben-Tichar, Naheen Slommer, Nedra Duibi, and others.