SoapSmart’s top selling laundry detergent. Its premium quality is familiar and trusted by consumers. Cold Water Detergent is compatible with all washing machines, including He. SoapSmart Detergent is a uniquely formulated, highly concentrated enzyme laundry detergent designed to handle all types of soiled laundry. It will leave your linens clean and fresh without the harmful effects of high pH detergents. Up to 640 loads per bucket (8¢ per load)!