Post Wanted tested and reviewed the best laundry detergents of 2025, along with sourcing laundry care experts to recommend formulas, too. Shop Tide, Gain and more.

The liquid laundry detergent that bears her name is our overall favorite, because it cleans 96 percent as well as regular Tide, and 97 percent of its ingredients are derived from plants.

I do about 6 loads of laundry every week and use 1/4 cup of liquid detergent. This has the potential to last you a long time. Just make sure you carefully check that it hasn’t gone bad.