Laura Mercier's Translucent Powder is the best! Myth #5. “Makeup doesn't expire.” The truth is, every product has a shelf life. If used beyond its expiration date, makeup changes color and consistency, and the integrity of the product is compromised.05-May-2017

How do I know if my foundation expire?

If your liquid foundation has thickened, or your powder foundation is exceptionally crumbly, it's most likely expired. The color is off. Like fruits and vegetables, makeup goes through a chemical reaction called oxidation when exposed to air. This reaction affects the color of your makeup.

Does it matter if foundation is expired?

You should throw away your makeup if it expires, but if you use it a little bit past its expiration, you may be fine health-wise but notice it doesn't perform to its best. … To be sure your makeup lasts as long as it should, wash your hands before applying, clean your makeup brushes regularly, and avoid sharing.

How long does Laura Mercier Primer last?

about three years Primer. "Primers (tube or pump) are good for about three years—because of air-tight packaging the product stays very clean."

How long does foundation stay good for?

Products like foundation, primer, blush, and eyeshadow can last for up to two years. Lipstick is typically good for one year after you've opened it. Eye makeup like mascara and liquid eyeliner should be replaced every three months.

How do I check my expiration date?

Find the Use By/Expiration Date. Look for this on the side of the label or on the carton. The Lot Number is near the Use By/Expiration Date.

Can you use old foundation?

However, even if your liquid foundation doesn't break down faster due to contamination, it's still not the best idea to use it past its expiration date. … Tanzi explains, the ingredients in a foundation could separate and increase the risk of germ growth because the preservatives are no longer effective.

Does expired foundation cause acne?

Expired makeup can cause breakouts and infections like pink eye, acne, and worse. This is especially true with mascara, liners and foundations. “When a product expires this means that the preservatives have stopped being as effective as they once were or have stopped working altogether.