Safe, effective and long-lasting. Fragrance-free and free of synthetic dyes and perfumes that can irritate sensitive skin. Completely biodegradable and phosphate-free. As little as ½ fl. oz. of this powerful formula will clean and freshen a full load of laundry. Because of its unique, highly-concentrated cleaning power, it is actually less expensive on a cost-per-cost use basis than most other national brands. The low-sudsing formula is ideal for top loaders as well as high efficiency front loading machines, and it is safe for use in septic systems.