Shelf Life of
Salad Dressing

How Long Does Salad Dressing Last?

How Long Does Salad Dressing Last?

Shelf Life of Salad Dressing

How long does salad dressing last? The shelf life of salad dressing lasts beyond the sell by date or best by date if unopened or stored properly in the refrigerator. It can be used to top off and add flavor to your lettuce, vegetables or fruits and is usually oil or mayonnaise based. So, how long does salad dressing last past the best by date? When properly stored, the shelf life of salad dressing past its best by date is approximately …

Unopened/Opened
Past Printed Date
Ranch Dressing lasts for 1-2 Months
Blue Cheese Dressing lasts for 1-2 Months
Caesar Dressing lasts for 1-2 Months
Thousand Island Dressing lasts for 1-2 Months
Italian Dressing lasts for 3-4 Months
Balsamic Vinegarette lasts for 3-4 Months



But remember, salad dressings, like a lot of other condiments, usually have a “best by date” and not a use by date or expiration date. Because of this distinction, you may safely use salad dressings to compliment your favorite meals even after the best before date has lapsed. Mayonnaise based dressings generally expire before oil based dressings, but all can be used after their best by date if they are stored properly.

How to tell if salad dressing is bad, rotten or spoiled?

Practicing proper hygiene and food safety discipline will help prevent food borne illness. There are so many different types of dressings and different companies that make them, which means a lot of different ingredients and variations! The most common tell-tale is the color of the dressing, if it’s a different color than when you bought it you might not want to taste it.

How to store salad dressing to extend its shelf life?

Proper food storage is the key to extending the expiration date of food. Salad dressing is best stored in the refrigerator after opening. Some salad dressings are purchased in the refrigerator section of the grocery and must also be refrigerated at home. Changes in temperature can cause the salad dressing to spoil sooner than necessary. Many oil based salad dressings like Italian do not require refrigeration, but it is better to put it in the fridge if you’re not sure. Some benefits of proper food storage include eating healthier, cutting food costs and helping the environment by avoiding waste.

How long is salad dressing good for when prepared in a dish?

How long does salad dressing last? That depends. How long does salad last? How long do tomatoes last? A dressed salad, although a little soggy, can be eaten the next day if refrigerated, but after that the quality declines VERY quickly. To find out how long those other ingredients are good for, please visit the Dairy, Drinks, Fruits, Grains, Proteins, Vegetables and Other sections of Eat By Date or search below:

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What are our shelf life resources?

Our shelf life of salad dressing content incorporates research from multiple resources, including the United States Department of Agriculture and the United States Food & Drug Administration. In addition, we scoured the web for informative articles and reports related to food safety, food storage and the shelf life of salad dressing.

*An important note about expiration dates …

Although the salad dressing shelf life information on Eat By Date is generally reliable, please remember that individual cases will vary and that our advice should only be taken as an opinion. These dates are guidelines, each food product must be considered uniquely. So, please eat responsibly!