20 Practical Uses for Cornstarch Around Your Home | Complete Guide

Cornstarch, derived from the endosperm of corn kernels, is a staple ingredient in most kitchens. While it’s commonly recognized as a thickening agent for sauces, soups, and gravies, this versatile white powder has numerous applications beyond culinary use.

The moisture-absorbing and friction-reducing properties of cornstarch make it an excellent household helper. From personal care to cleaning tasks, cornstarch offers natural, cost-effective solutions to everyday challenges. While many of these applications are based on traditional wisdom and anecdotal evidence rather than extensive scientific research, countless people have found them effective.

Let’s explore 20 practical ways you can use cornstarch around your home.

Personal Care and Beauty Applications

1. Natural Dry Shampoo

When you’re short on time or between washes, cornstarch can absorb excess oil from your scalp and hair. Simply sprinkle a small amount onto your roots, wait 2-3 minutes, then brush through thoroughly. For easier application, use a makeup brush or place cornstarch in a shaker bottle.

Note: This works best for light-colored hair. Those with darker hair may want to mix cornstarch with cocoa powder to avoid a white residue.

2. Homemade Natural Deodorant

Create your own aluminum-free deodorant using cornstarch’s moisture-absorbing properties. Combine 3 tablespoons of melted coconut oil with 2 tablespoons each of cornstarch and baking soda. Add a few drops of essential oil for fragrance if desired.

Mix until you achieve a paste-like consistency and store in a small container. Keep in mind that baking soda may irritate sensitive skin for some individuals. If you experience excessive sweating, consult your healthcare provider for appropriate solutions.

3. Soothing Skin Treatment

Cornstarch can provide relief for minor skin irritations and itchiness. Create a paste by mixing cornstarch with cold water until it reaches a spreadable consistency. Apply gently to affected areas and allow it to dry completely before rinsing with lukewarm water.

Some people also dust cornstarch on bed sheets or clothing linings to minimize friction against sensitive skin.

4. DIY Matte Nail Polish

Transform any glossy nail polish into a trendy matte finish. Place a few drops of your chosen polish on a small plate, add a pinch of cornstarch, and mix with a toothpick or small brush. Apply to your nails as you would regular polish.

5. Luxurious Bath Soak

Create a spa-like milk bath experience at home. Mix 1 cup of cornstarch with 2 cups of powdered milk and 1/2 cup of baking soda. Add 10-15 drops of lavender or your favorite essential oil. Store in an airtight container and add 1 cup to your warm bath water for a relaxing soak.

6. Hair Detangling Aid

Stubborn knots can be easier to remove with a light dusting of cornstarch. The powder reduces friction between hair strands, allowing your brush or comb to glide through more easily. Apply sparingly to the tangled area before gently working out the knot.

Foot Care Solutions

7. Athlete’s Foot Prevention

While cornstarch won’t cure fungal infections, it can help prevent athlete’s foot by keeping your feet dry. Fungi thrive in warm, moist environments, so sprinkling cornstarch in your shoes or socks helps absorb moisture and reduce risk.

If you develop athlete’s foot symptoms, consult your healthcare provider about appropriate antifungal treatments rather than relying solely on cornstarch.

8. Blister Protection

Reduce friction that worsens blisters by applying a light coating of cornstarch to the affected area and inside your footwear. This keeps the area dry and minimizes rubbing.

Important: Never apply cornstarch to open blisters or broken skin, as this can increase infection risk.

Skin Comfort and Protection

9. Anti-Chafing Powder

Prevent uncomfortable chafing by dusting cornstarch on areas prone to friction, such as inner thighs, underarms, or beneath sports bra bands. Apply before getting dressed for all-day protection.

10. Bug Bite Relief

Create a soothing paste for itchy insect bites by mixing 2 tablespoons of cornstarch with cold water. Apply to the bite and let it dry naturally. The cornstarch helps draw out moisture and may reduce the urge to scratch.

11. Sunburn Soother

Mix cornstarch with cool water to create a paste and apply gently to sunburned skin. Allow it to dry for 15-20 minutes before rinsing. Some people find this provides cooling relief, though medical treatments may be necessary for severe sunburns.

Household Cleaning and Maintenance

12. Grease Stain Remover

Tackle oily stains on clothing or upholstery by sprinkling cornstarch directly on the affected area. Let it sit for 15-30 minutes to absorb the grease, then brush off and treat with your regular stain remover before washing.

13. Carpet Freshener

Refresh carpets and eliminate odors by sprinkling cornstarch liberally over the surface. Let it sit for 30-60 minutes to absorb odors and moisture, then vacuum thoroughly. For extra freshness, mix in a few drops of essential oil before sprinkling.

14. Silver Polish

Restore shine to tarnished silverware by making a paste with cornstarch and water. Apply with a soft cloth, rub gently, and rinse thoroughly. Buff dry with a clean towel for sparkling results.

15. Grease Spatter Remover

Remove greasy spots from walls by sprinkling cornstarch on a damp cloth and gently rubbing the affected area. The cornstarch absorbs the grease without harsh chemicals or excessive scrubbing.

16. Window and Glass Cleaner

Add shine to windows and mirrors by mixing 2 tablespoons of cornstarch with 1/2 cup of vinegar and 1/2 cup of water. Spray on glass surfaces and wipe clean with newspaper or a lint-free cloth.

Fabric and Laundry Uses

17. Natural Ironing Starch

Create an eco-friendly ironing starch by mixing 2 tablespoons of cornstarch with 2 cups of water in a spray bottle. Shake well before each use, spray on clothing, and let sit for one minute before ironing for crisp, professional-looking results.

18. Stuffed Animal and Fabric Cleaner

Freshen up stuffed toys and delicate fabrics without water. Sprinkle cornstarch over the item, gently work it in, and let sit for 10 minutes. Remove with a soft brush or damp cloth.

Miscellaneous Household Hacks

19. Knot Untangler

Whether it’s shoelaces, jewelry chains, or rope, cornstarch can help loosen stubborn knots. Sprinkle a small amount on the knot and work it in. The reduced friction between fibers makes untangling much easier.

20. Pet Dry Shampoo

Between baths, freshen up your pet’s coat by sprinkling a small amount of cornstarch through their fur and brushing it out. This absorbs oils and odors, though it doesn’t replace regular bathing.

Bonus: Improved Grip

Athletes and musicians can use cornstarch to improve grip. A light dusting on hands absorbs sweat and enhances your hold on sports equipment, musical instruments, or tools.

When to Avoid Using Cornstarch

Despite its versatility, cornstarch isn’t appropriate for every situation:

• Open wounds or cuts: Never apply cornstarch to broken skin, as it can promote bacterial growth and cause infection.
• Facial application: Avoid using cornstarch as a facial powder or makeup remover if you have acne-prone skin, as it may clog pores and trigger breakouts.
• Yeast infections: Don’t use cornstarch in areas affected by yeast infections, as it can provide food for yeast and worsen the condition.
• Deep wounds: Any significant injury requires proper medical attention, not home remedies.

Storage and Safety Tips

To get the most from your cornstarch:

• Store in an airtight container in a cool, dry place
• Check the expiration date, as old cornstarch loses effectiveness
• Perform a patch test before applying to large skin areas
• Keep away from eyes and mucous membranes
• Ensure the product is food-grade cornstarch, not industrial varieties

Conclusion

Cornstarch is far more than a kitchen staple. Its moisture-absorbing, friction-reducing, and gentle properties make it valuable throughout your home. From personal care routines to cleaning challenges, this affordable, natural product offers solutions that can replace multiple specialized products.

While scientific research doesn’t support all traditional uses of cornstarch, many people find these applications effective and safe for everyday use. Start with one or two uses that address your specific needs, and you may discover that this simple pantry item becomes one of your most versatile household helpers.

Remember to use cornstarch appropriately, avoiding application to open wounds or broken skin. For any persistent skin conditions, infections, or health concerns, always consult with your healthcare provider for proper diagnosis and treatment.

Sources:

• National Center for Biotechnology Information – Athlete’s Foot Treatment
• PubMed Central – Acne and Skin Care
• PubMed – Wound Care and Infection Prevention
• Mayo Clinic – Athlete’s Foot Information