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Kirkland Signature (Costco) Ultra Clean Free & Clear laundry detergent

This budget priced liquid detergent available exclusively at Costco is formulated for both high efficiency (HE) and conventional washing machines.

About

The Kirkland Signature (Costco) Ultra Clean Free & Clear is part of the Laundry detergent test program at Consumer Reports. In our lab tests, Laundry detergent models like the Ultra Clean 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.