The formula for ECOS? laundry detergent is simple: high-quality ingredients + low price + a little love = our best seller! Perfect for colors whites and all fabrics ECOS? has a built-in fabric softener to save you money. Concentrated formula with plant-derived cleaning agents. All scents made with aromatic natural fragrances and essential oils. Hypoallergenic. Great for hot and cold water HE and standard machines.