6 Extraordinary Uses for Dishwashing Soap

Who knew? Dishwashing soap isn't just for scrubbing plates—see how the liquid can kill ants, beat greasy hair, and more.

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Kill weeds kindly

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Be gentler to the environment—not so much to weeds—by using a natural plant killer rather than harmful herbicides. Mix 1 teaspoon of dishwashing liquid with 1 cup of salt and 1 gallon of white vinegar. Pour the solution on weeds sprouting in the cracks and crevices of sidewalks, front walks, and patio pavers.

Wash away ants

istock/Filograph

Outdoor ants can be just as annoying as indoor ants, particularly if they've invaded the crevices in your patio where you eat. Get rid of them with a simple 50/50 solution of water and white vinegar with a dash of dishwashing liquid. (You can substitute glass cleaner for the vinegar if you want.) Spray the affected area with the mix, wait a few minutes, then happily return to your picnic.

Green your lawn

istock/Seregraff

Fill the reservoir of a 10- or 20-gallon hose-end sprayer with water and 12-ounce can of beer or non-diet cola, 1 cup of corn syrup or molasses or household ammonia, or 1/2 cup mouthwash—and 1 cup of dishwashing liquid. The dishwashing liquid helps spread the concoction more evenly across your lawn, and as an added bonus, helps it stick to individual blades of grass. Water your lawn approximately every three weeks, and watch your neighbors turn green with envy—like your lawn.

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Keep it cool

istock/adrian825

Clean your foam or metal mesh air conditioner filters once a month during the summer—or whenever you routinely use your AC—with dishwashing liquid. Soak the filter in a bath of warm water and dish soap, then scrub it gently with a toothbrush. Once you've removed any debris, rinse it and dry it completely. Put it back in the air conditioner, and enjoy a sweat-free day with cleaner air.

Add life to your locks

ISTOCK/Central IT Alliance

If your hair isn't looking so lovely, try mixing a dollop of dishwashing liquid into your shampoo. It fights grease in hair, as well as on dishes!

Clean your blender

istock/supermimicry

Forget about taking your blender apart to wash it thoroughly. Instead, fill it partway with warm water and dishwashing detergent, cover it, and run it for a few seconds. Empty it, rinse it, air-dry it, and call it a day.


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