How Often Should You Replace Your Mascara? Here’s What to Know

Mascara can still look usable in its tube when it is no longer a good idea to put it near your eyes. A dry brush, clumps or a noticeable change in texture are signs that the product should be discarded, even if plenty remains inside.

The U.S. Food and Drug Administration recommends throwing mascara away three months after purchase. The product carries a particular risk because its applicator repeatedly moves between the container and the eye area. That contact can expose the mascara to bacteria and fungi. Over time, preservatives may also become less effective, allowing microorganisms to grow.

Heat and moisture can speed up the deterioration. A mascara may appear normal but still have an unsuitable microbiological quality, making visible changes an imperfect safety test. Manufacturers generally recommend replacing the product after two to four months, while the FDA’s specific guidance for eye makeup points to three months.

Trying to revive dried mascara with water or saliva is a trick best left behind. Saliva can add microorganisms, and water can dilute the preservatives that help control their growth. If the product becomes dry, clumpy, or noticeably different, replacing it is safer than extending its use.

The same caution applies if an eye infection develops. Stop using eye makeup and discard the products being used when the infection appeared, because they may have become contaminated. Changes in smell, color or texture are also reasons to throw mascara away before the three-month mark.