But continuing to use items past their prime might cost you in other ways.

Its true: most makeup items actually need to be cleaned or replacedand probably more frequently than you think.

coliandStaphylococcus,according to a February 2020 study in theJournal of Applied Microbiology1.

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When exactly you should change out a product varies.

Thats because certain items tend to turn into germ pits faster than others.

Here, derms share their dirtiest offenders and when its time to re-up on your faves.

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board-certified dermatologist in New York City

If the bristles are starting to fall out or fray, it may be time for a replacement.

We like theLaura Geller Full Face Professional Makeup Brush Set($39, Amazon).

The brushes are professional-grade, vegan, and come in a variety of sizes.

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As for reusable ones?

Its Amazing How Its All Connected.

Thats because mascara is applied close to your eyelash line, where tons of bacteria like to hang out.

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We like Stilas newStroke of Genius Eye Duogel eyeliners ($28, Amazon) ore.l.f.

Satin Eyeliner Pencil($3, Amazon) if youre looking for new options.

One of our faves isGarnier SkinActive Micellar Cleansing Water.

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board-certified dermatologist in New York City

The brand recently launched atravel-size holiday kit($12, Ulta) with three different types of cleansers.

One of our favorite lip balms is theLaneige Lip Sleeping Mask($24, Sephora).

Toss it sooner if it shows any signs of texture change, discoloration, or foul smell.

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We know there are a lot of foundation brands out there to choose from.

This is why its important to replace them after a while.

Just submerge the tip in rubbing alcohol for a few seconds and gently wipe it with a tissue.

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Ready to try something new?

Bashir A, Lambert P. Microbiological study of used cosmetic products: highlighting possible impact on consumer health.

2020 Feb;128(2):598-605. doi: 10.1111/jam.14479.

Epub 2019 Oct 28.

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