ACARIL Laundry Additive washes away allergens in bedding and clothing that regular detergent misses. Simply add ACARIL to your favorite detergent. Safe for all colorfast fabrics, and compatible with standard and HE washing machines. Compatible with all laundry detergents and additives Safe for all colorfast fabrics Washes away allergens that ordinary laundering misses Effective at all water temperatures Works in standard and HE washing machines For control of dust mite, pet dander, and other allergens Treats approximately 12 medium sized loads Traditional top loading machines: Load washer as normally done. Add water and detergent. Fill the enclosed plastic cup to the 20cc mark and pour it into the wash water. Complete laundering as usual. Front loading HE machines: Load washer as normally done. Place 20cc of ACARIL into the additive compartment. Complete laundering as usual.