Compare to the active ingredient in MiraLAX. Equate ClearLax Polyethylene Glycol 3350 Powder for Solution is used to relieve occasional constipation. An osmotic laxative, it works by holding water in the stool to soften the stool and increases the number of bowel movements. Generally produces a bowel movement in 1 to 3 days. Unflavored and grit free powder dissolves in any beverage. Available without a prescription for adults and children ages 17 years and older. Sugar free and gluten free. Keep on hand for those times when constipation or irregularity interfere with daily activities.