Why Does Dawn Work So Well?

But, put simply, there is a secret ingredient. While the complete “recipe” is inaccessible for the masses, a Dawn spokeswoman has pointed the magic to uniquely powerful surfuctants—or, the chemical compounds that reduce the surface tension of a liquid when it's dissolved, aka the stuff that cuts the grease.

Why should you put Dawn in your bathtub at night?

That's right: Grab your dish soap and a broom, and you might be as pleasantly surprised as we were to learn that Dawn is apparently just as effective at banishing bathtub scum as it is at removing all that grime and grease from your dishes and pans. Plus, this technique is equal parts simple and fast!

Is Dawn really the best dish soap?

The Best Overall Dish Soap: Dawn Ultra

But it still powered through the mess faster than the other brands, and there were still more than enough bubbles to clean the breakfast dishes my kids left behind. Turns out, Dawn is a classic for a reason. Look at all those suds!