You may be thinking, “Wait,doskin-care products expire?”

And the answer, unfortunately, is yes at least for many kinds (even thebest skin-care products).

What are the biggest factors in a skin-care product’s longevity?

Woman applying moisturizer to cheeks near a plant

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Docleansersgo bad faster than creams?

Do some skin-care ingredients go bad sooner than others?

Fans of products made with mostlynatural ingredientsmay find themselves purchasing replacement products more often.

Strong,broad-spectrum preservativescan help products with natural ingredients last longer but not forever.

How can you tell if a skin-care product has expired without a clearly-stated expiration date?

Not all skin-care products clearly state an expiration date.

But how soon you fire up the product after it’s made also plays a role in its longevity.

Is it ever safe to use skin-care products that are past a stated expiration date?

More important than an expired product’s user experience or effectiveness is its safety.

Are there any skin-care products that can be used indefinitely?

More must-know skin-care info:

Now check out poet Amanda Gorman’s favorite beauty and life essentials: