This budget priced liquid detergent available exclusively at Costco is formulated for both high efficiency (HE) and conventional washing machines.
The Kirkland Signature (Costco) Free & Clear is part of the Laundry detergent test program at Consumer Reports. In our lab tests, Laundry detergent models like the Free & Clear are rated on multiple criteria, such as those listed below.
Body oil: Indicates how well a detergent removes body oil or "Sebum".
Dirt: Indicates how well a detergent removes dirt or "Clay".
Grass: Indicates how well a detergent removes grass stains.