Powers away greasy residue for sparkling dishes. Dawn grease fighting power. No. 1 recommended brand in North America (More dishwasher brands in North America recommend Cascade vs. any other automatic dishwashing detergent brand; recommendation as part of co-marketing agreements). Phosphate free. Dependable Cascade clean with grease fighting power of Dawn. Cascade Action Pacs contain water softening agents to help prevent materials in hard water from settling on your dishes, causing film. Safe for septic tanks.