After 65 hours of research, testing 28 detergents and 7 years of long-term testing, we found Seventh Generation Dish Liquid to be the best for most people. See more

The primary job of a dish detergent is to get oil and grease off your dishes. Almost all dish liquids available can do this to varying degrees—it’s the degrees that matter. You might also … See more

When setting up a testing method, we ran into two problems. First, it’s difficult to bake on a set amount of grease to a dish or pan. Second, short of building a scrubbing robot, it’s also har… See more

Most companies put two main surfactants in their dish liquid: sodium lauryl sulfate (SLS) and sodium lauryl ether sulfate (SLES). As surfactant expert Brian Grady explained, … See more