Get gentle relief from painful, hard, dry stools with Dulcolax Stool Softener Laxative Liquid Gels. The active ingredient, docusate sodium, works by hydrating the stool, making it softer and easier to pass. This stimulant free stool softener laxative will gently produce a bowel movement in 12 to 72 hours. For gentle, comfortable relief, trust the No. 1 doctor recommended stool softener ingredient.