Your favorite beauty and self-care products don’t last forever.

If your makeup, perfume, orlotion has expired, throw it out.

But it isn’t only skincare, makeup, and beauty items that are susceptible to abest-if-used-bydate.

Woman applying hair product

Here is how to check to see if your shampoo, conditioner, or hair gel has gone bad.

Do hair products list an expiration date?

But even if your item has a PAO number, it isn’t necessarily easy to read and understand.

Hair products

That number indicates how many months after opening your product will stay good, perReader’s Digest.

Unusual smells and curdled textures may indicate that your product has expired.

Pay attention to the products you put in your hair.

Woman notices change in hair