Essential oils are packed with some prettyamazing healing benefitsbut alas, nothing lasts forever.

Just like the oils we cook with, essential oils do eventually “go bad.”

“Expired oils will smell nasty!”

Emma Loewe

saysMariza Snyder, D.C., a functional medicine practitioner and author ofSmart Mom’s Guide to Essential Oils.

In that case, it’s worth noting the shelf life of a few common types of oils.

More telltale signs that an oil will last?

“Not all oils have expiration dates on them, which really concerns me,” Snyder says.

“If they don’t, you really don’t know what you’re working with.”

The quickest way to do so is by mixing up a home cleaner.

Here’s onesmell-good recipeto get started with.