Surprising Uses for Cornstarch (2024)

Surprising Uses for Cornstarch (3)

Good For Cooking -- And Much More

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Chances are you reach for your box of cornstarch when you want to thicken sauces and puddings or coat meat for a stir-fry. But this starch, milled from corn, has dozens of uses beyond the kitchen. It’s a staple in industries that make paper, adhesives, and coatings. Scientists are even turning it into products for pest control. But you don’t have to ace Chem 101 to put cornstarch to work for you.

Surprising Uses for Cornstarch (4)

Take the Sizzle out of Sunburn

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Dab sunburned spots with a light paste made of cornstarch and water. Then, after a cool soak in a lukewarm tub, sprinkle cornstarch between your sheets before you get into bed. Its silky texture cuts down on friction between your scorched skin and the fabric.

Surprising Uses for Cornstarch (5)

Whip Up a Vegan Swap for Eggs

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Back in the kitchen, a mix of cornstarch and water can replace an egg in many baked items. The ratio varies between recipes, but on average, 1 tablespoon of cornstarch to 3 tablespoons of water matches the liquid content of an egg. Always dissolve the cornstarch in the water before you add it to other ingredients to avoid any lumps.

Surprising Uses for Cornstarch (6)

De-Sting Bug Bites

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Go old-school and make a poultice -- a thick paste that can ease the pain. Mix about 3 tablespoons of cornstarch with 1 tablespoon of cold water, and gently smear it over the spot. Let it dry. You can even leave it on overnight to work its magic.

Surprising Uses for Cornstarch (7)

De-Tangle Rover’s Coat

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It’s a shaggy dog story, but not the good kind. Many dogs get matted fur, especially if their coats are long or curly. Those tangles look bad and can also pull on the skin, causing pain. To help get them out before you have to cut them out, rub a generous amount of cornstarch into your furry friend’s coat, and then brush gently from the bottom to the top of the mat with a slicker brush.

Surprising Uses for Cornstarch (8)

Make Dry Shampoo Simple

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Cornstarch is great at soaking up oil, which makes it a handy fix between shampoos. The secret is to mix two parts cornstarch with one part of another kitchen shelf staple, baking soda. Dab on the mixture close to your roots and brush through thoroughly.

Surprising Uses for Cornstarch (9)

Keep Blisters at Bay

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It’s a simple formula: Sweat plus friction equals blisters. Keep feet smooth and dry with a sprinkle of cornstarch before you slip on your shoes, especially if you go sockless. If you get a small blister despite your efforts, cushion it with a bandage until it reabsorbs. If it’s large, place a doughnut pad -- a cushion with a center hole -- around the blister. Make your own with felt or foam, and keep it in place with a big bandage.

Surprising Uses for Cornstarch (10)

Clean Up Around the House

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Cornstarch is a multipurpose natural cleanser around the house. To shine up silver, rub on a thick water-and-cornstarch paste, let it dry, and then buff with a soft cloth. Spray a thin solution on glass, rinse with plain water, and dry for a nice sparkle. Sprinkle it dry on wood, and use elbow grease to remove real grease and furniture polish buildup.

Surprising Uses for Cornstarch (11)

Make a DIY Deodorant

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Want to skip the chemicals in store-bought products? Mix equal amounts of cornstarch and baking soda in the palm of your hand, and use an oversized makeup brush or cotton balls to apply. This is a great swap for people having radiation treatment for cancer, as regular deodorant can irritate treated skin.

Surprising Uses for Cornstarch (12)

Have Some Silly Fun with the Kids

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Just for fun, make your own Oobleck -- a version of the children’s toy called Slime named after a Dr. Seuss book. Mix 1 cup of water tinted with a few drops of food coloring with 2 cups of cornstarch. Press it into a slippery ball with your hands, then watch it go back to a liquid when you let go. Squiggle it through a strainer. Wash up with plain warm water, but to avoid a clog, throw your Oobleck away in the trash, never down the drain.

Surprising Uses for Cornstarch (2024)

FAQs

Surprising Uses for Cornstarch? ›

This starch is often used as a thickening agent in stir-fries, soups, sauces, and more.

What fun things can you do with cornstarch? ›

15 Ways to Play with Cornstarch (Cornflour)
  • DIY Bouncy Balls - Easy Tutorial to Make Super Bouncy Balls! ...
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  • Edible Water Beads.
Jul 21, 2013

What uses a lot of cornstarch? ›

This starch is often used as a thickening agent in stir-fries, soups, sauces, and more.

What are beauty uses for cornstarch? ›

Corn starch is beneficial for acne-prone skin because it absorbs excess oil from the skin, which causes acne and pimples. The application of Cornstarch helps to remove impurities from the pores such as dirt, dust, oil, filth, and so on, preventing outbreaks.

What is one downside to cornstarch? ›

Cornstarch is high in calories and carbs but low in essential nutrients. It may also increase blood sugar levels and harm heart health.

What does eating a spoonful of cornstarch do? ›

There is little nutritional benefit to cornstarch, and it can potentially raise blood sugar. Eating cornstarch in small amounts is OK, but it should be avoided in large quantities due to its highly processed nature and lack of essential vitamins or nutrients. U.S. Department of Agriculture.

What to do with expired cornstarch? ›

It may have an off taste or flavor (think sour or "funky"), or an off color. Cornstarch doesn't lose potency over time, so if your cornstarch looks and smells okay, it's perfectly fine to use well beyond any best by date the manufacturer has posted on the box.

What was cornstarch originally used for? ›

Cornstarch. Invented in 1842 by Thomas Kingsford, superintendent of a wheat starch factory in Jersey City, New Jersey, cornstarch was originally used for laundry and other industrial applications.

How long does cornstarch last once opened? ›

Despite any date you might see on the package, cornstarch shouldn't go bad or lose its power. As long as you keep it in a cool, dry place, free from moisture, it should last indefinitely on your shelf—that is, if you don't use it up quickly.

What baked goods use cornstarch? ›

When added to cake, cookie, pie filling and shortbread recipes, cornstarch helps create a crumbly and tender dessert-like texture. Commercially, cornstarch is often used as an anti-caking agent.

What does cornstarch do to meat? ›

Cornstarch is the foundation of Chinese cooking and this magical pantry ingredient is commonly used to thicken soups, stews and sauces. It's also the primary ingredient in making a slurry to coat the meat. Chen says cornstarch helps the meat retain moisture while it cooks, thus yielding a silkier texture.

Why put cornstarch in brownies? ›

Cornstarch is the secret ingredient that mimics the texture of box mix brownies. Don't skip it! 1 tablespoon of cornstarch makes brownies thicker and chewier and improves the crust on top.

Why do people put cornstarch in their hair? ›

It's a fantastic volumizer that adds thickness but not weight to strands. Another benefit: When your scalp is oily or moist (say, in the summer, or after a workout), Corn Starch sucks up that condensation and grease so your scalp and hair stay fresh and, if not actually clean, then clean looking and smelling.

What is cornstarch used for medically? ›

Corn Starch Is Used in Pharmaceuticals

Corn starch is also used to coat tablets and as a disintegrant, which helps in the breakdown and absorption of tablets or capsules ingested into the body.

What does cornstarch do in lotion? ›

While many beneficial skincare chemicals work well, their texture is sometimes off putting since they feel greasy, slimy, or weak. The addition of cornstarch changes the feel of personal care products to a silky, richer feel.

What is fun with cornstarch and water? ›

Making oobleck is a great science and sensory project combined into one. After combining cornstarch and water, dip your hands into this non-Newtonian fluid, fluid that acts like a solid and a liquid at the same time.

What does cornstarch and ice do? ›

You get oobleck! (Oobleck is a substance that can mimic the qualities of both a solid or a liquid.) Put a fun sensory spin on this classic science experiment by incorporating ice cubes to make oobleck. As the ice cubes melt into the cornstarch, the consistency of each ingredient will begin to change.

What does cornstarch and water do? ›

At the right ratio, a blend of water and cornstarch displays some mysterious qualities. It's a liquid until you throw a bowling ball on it. Then it solidifies at the point of impact and the ball bounces off.

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