Make Homemade Laundry Spray Starch with Cornstarch

Need to starch the collar on your favorite shirt but just realized that you are out of spray starch? Instead of flying off to the store, check your pantry for cornstarch. With this simple ingredient, you can create all-natural starch spray to keep your clothes looking sharp and wrinkle-free. Make a simple version with just cornstarch and water, or add a little vinegar to help disinfect your clothing too.

Ingredients

Simple Cornstarch Starch Spray

  • 1 heaping tablespoon (8 to 10 g) cornstarch
  • 1 pint (473 ml) distilled warm water
  • 1 to 2 drops essential oil (optional)

Cornstarch Starch Spray with Vinegar

  • 1 tablespoon (8 g) cornstarch
  • 2 cups (473 ml) water
  • 1 teaspoon (5 ml) vinegar
  • 10 drops essential oil

Steps

Preparing Simple Cornstarch Starch Spray

  1. Fill a jar with the water. To make the starch spray, you’ll need a jar with a lid that is larger than a pint (473 ml). Open the jar, and add 1 pint of distilled warm water.[1]
    • You can make the spray in a bowl if you prefer. However, you’ll have to mix it by hand rather than shake it to combine the ingredients.
    • You can use tap water for the spray, but it’s better to use distilled, especially if you have hard water.
  2. Add the cornstarch and shake the jar. Once the water is in the jar, sprinkle in 1 heaping tablespoon (8 to 10 g) of cornstarch. Secure the lid on the jar, and shake the mixture vigorously to combine the water and cornstarch.[1]
    • You don’t have to be precise with the amount of cornstarch. As long as it’s approximately 1 generous tablespoon (8 to 10 g), the spray will be effective.
  3. Sprinkle in the essential oil. If you want the spray to have a fragrance, add 1 to 2 drops of your favorite essential oil to the jar. Shake it again to ensure that the oil is fully incorporated.[1]
    • You can use any essential oil with a fragrance that you like. Lemon and lavender are particularly nice, though.
  4. Pour the mixture into a spray bottle. When the spray is fully mixed, carefully pour it into a spray bottle. Label the bottle so you know what it is and store it with your laundry supplies.[1]
    • You may have an easier time transferring the spray to the bottle if you use a funnel.
    • The spray typically lasts for two to three months, though it may start to degrade. Discard it if you notice it becoming discolored or developing mold.

Creating Cornstarch Starch Spray with Vinegar

  1. Heat the water in a pan. Pour 2 cups (473 ml) of water into a small saucepan, and place it on the stove. Turn the heat to medium-high, and allow the water to heat.[2]
    • You can use distilled or tap water for the spray.
  2. Mix in the cornstarch and bring the mixture to a boil. As the water is heating, add 1 tablespoon (8 g) of cornstarch to the pan. Use a whisk to mix it into the water, and allow the mixture to come a boil, which should take 5 to 7 minutes. Remove the pan from the heat.[2]
    • By heating the mixture, you allow the cornstarch to melt into the water so you don’t have to worry about it separating as much.
  3. Stir in the vinegar. After you’ve taken the pan off the heat, add 1 teaspoon (5 ml) of vinegar to the pan. Use the whisk to fully incorporate it into the cornstarch mixture.[2]
    • Vinegar naturally disinfects clothing, which is ideal if you’re using the starch spray between washes.
  4. Add the essential oil. If you want your starch spray to have a pleasant scent, you can also mix in some essential oil. Use 10 drops of your favorite oil, and whisk it into the mixture so it’s evenly distributed.[2]
    • Use an essential oil with a fragrance that you like. Lavender, grapefruit, or rosemary are good options.
  5. Transfer the mixture to a spray bottle. When the spray is completely mixed, carefully pour it into a spray bottle. For best results, keep your homemade starch spray in a cool, dark spot.[2]
    • The spray should keep for 2 to 4 months.

Using Homemade Cornstarch Starch Spray

  1. Shake the spray before each use. The cornstarch in a homemade spray has a tendency to settle at the bottom of the spray bottle when it’s sitting on the shelf. Before using the spray always give the bottle a good shake to ensure that the ingredients are mixed.[3]
    • The cornstarch is less likely to separate if you use the heated method to make it, but it’s still a good idea to shake it before each use.
  2. Mist the fabric with the spray. Lay the item of clothing or fabric that you want to smooth out on flat surface. Lightly spray the item with the cornstarch mixture across the entire surface.[3]
    • A little bit of the spray goes a long way so don’t oversaturate your fabric.
  3. Run an iron over the fabric. After you’ve applied the spray, run your iron over the fabric to smooth it as you normally would. Work until you’ve removed all of the wrinkles and added whatever creases you’d like to the fabric.[3]
    • Be careful when using a hot iron. It’s easy to burn yourself.

Tips

  • Store-bought starch sprays often contain formaldehyde and other chemicals that you may not want in your home. A cornstarch spray is all-natural.
  • Using a starch spray can actually help keep your clothes cleaner because dirt, oil, sweat, and other residue sticks it and not the fabric.
  • If you notice starch buildup on your iron from using the spray, dampen a cloth with white vinegar and run the hot iron over it.

Things You’ll Need

Simple Cornstarch Starch Spray

  • A jar with a lid
  • A spray bottle

Cornstarch Starch Spray with Vinegar

  • Small saucepan
  • Whisk
  • Spray bottle

Sources and Citations

  1. ↑ 1.0 1.1 1.2 1.3 http://www.onegoodthingbyjillee.com/2013/08/201308how-to-make-your-own-spray-starch-html.html
  2. ↑ 2.0 2.1 2.2 2.3 2.4 http://www.popsugar.com/smart-living/DIY-All-Natural-Spray-Starch-34643622
  3. ↑ 3.0 3.1 3.2 https://www.thebalance.com/spray-starch-recipe-1387967
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