Microlax Enema Constipation Relief 12 x 5mlGentle relief of constipation usually within 30 minutesMicrolax is a fast acting enema used to relieve constipation or open the bowels.Each 5mL tube of Microlax contains: sodium citrate 450mg, sodium lauryl sulfoacetate 45mg, sorbitol 3.125g as well as glyc..