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The Shelf Life of Oils

Let's talk about shelf life!

When formulating your product, understanding the shelf life of the oils you are using is an important step in ensuring quality and longevity for your customers.

If you're anything like me, I don't usually need to worry about the expiration of my cooking oils because I seem to go through them very quickly; that is, until a few months ago when I pulled out my grapeseed oil and opened the container. What a smell! While I usually love the smell of cooking oils (strange, I know), this oil smelled sour; it was the type of smell that immediately makes you want to throw the item in the garbage, tie up the bag, and toss it outside. Not the most appetizing thing to find right before making dinner, but it was really my own ignorance; after all, if I don't use it and it looks fine, doesn't that mean that it is fine?

Turns out; no. No, it doesn't.

Olives and oils
Olive Oil

Understanding the Longevity of Your Oils

There are many different types of oils, all made up of different properties and each one individual in its benefits. This can be a little confusing when you are trying to figure out the shelf life of your oils; keeping track of every expiration date can be a bit overwhelming! We've compiled a list of some of the most used oils to get you started.

Three Months or Less

  • Hazelnut Oil
  • Hempseed Oil
  • Grapeseed Oil (don't find out the hard way, like I did!)

Under One Year (Six months to One year)

  • Apricot kernel oil — I've included this here, but be mindful that its shelf life can range from six months to one year. Check before you use it if it has been over six months.
  • Evening Primrose Oil
  • Flax Seed Oil
  • Sesame Oil
  • Sweet Almond Oil
  • Wheatgerm Oil

One Year

  • Avocado Oil
  • Castor Oil
  • Coconut Oil — this can last a bit over one year, as always, check before use.
  • Emu Oil — this oil can actually last several years, if properly frozen.
  • Palm Oil
  • Palm Kernel Oil
  • Safflower Oil
  • Shea Butter

Two Years

  • Canola Oil
  • Olive Oil
  • Tamanu Oil

Three Years

  • Properly Frozen Emu Oil
  • Meadowfoam Oil
  • Indefinite
  • Beeswax
  • Jojoba Oil
  • Fractionated Coconut Oil

Whew! Of course, that's only a small sampling of the oils available, but the moral of this story is; make sure to check your oils before each use especially if it's been awhile since you used it last.

Using Anti-Oxidants

Anti-oxidants are substances that prevent oxidation in materials such as oils. Using an anti-oxidant in your product can help to extend its shelf life by preventing the breakdown of the building blocks of your lotions, scrubs, etc. Consider adding grapefruit seed extract or vitamin e oil to shield your oils from oxidation. Keep in mind, anti-oxidants are different than preservatives in that they do not contain anti-microbial properties; if you are producing a product that contains water or a product that may get wet in the container (like scrubs), check out our article about preservatives to understand how to avoid unwanted bacterial, fungal and mold growth.

Final Thoughts

Keeping track of numerous expiration dates doesn't have to be an insurmountable challenge. Use a binder/notebook or digital spreadsheet to keep track of not only the quantity of your supplies, but their expirations. This documentation will help you to gain a better understanding of the shelf life of your overall product, and also help you decide whether or not to add an anti-oxidant or preservative based on the expected time frame of your sales.

Most importantly, learn from my grapeseed debacle — check your oils every time to avoid a sour final product!

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