Colace Clear Dye-Free Stool Softener soft gels gently soften hard and painful stool for a number #2 that's easy to do. Colace is the #1 doctor recommended stool softener brand. Colace docusate sodium stool softener has been trusted by doctors and patients for over 65 years for occasional constipation. Colace Clear Dye-Free Stool Softener gently softens stools to relieve many symptoms of occasional constipation, including straining during bowel movements, hard, dry stools, and infrequent or irregular bowel movements.