Le Blanc Towel Wash is specifically designed for luxury bath towels, bath mats and cotton robes. This formulation protects cotton fibers and keeps them from drying out. Summer Verbena Scent The original cold water cleansers for natural and organic fibers. Triple concentrated; 1/4 cup for a full load 100% Environmentally safe. Safe for Energy Efficient machines. Le Blanc home laundry products contain no bleach, caustics, phosphates or enzymes.