July 05, 2016 07:07 PM

Joel Ryan/Invision/AP

If you’re having trouble storing (and finding placement for) your precious beauty products these days, you’re not alone. Even with their seemingly infinite space, celebs including Kourtney Kardashian suffer from overstuffed vanities. So to break her bad habit of makeup hoarding — and to encourage us all to do the same — the TV personality is slimming down her lip product collection, one tiny tube at a time, and sharing the results on her website/site.

The mom of three tapped her pal, beauty expert Sarah Howard, to help organize her (incredibly enviable) makeup stash.

The duo first started with Kourt’s lipstick and lip gloss drawer, which was filled with tubes of lip gloss, lipsticks and palettes. And though the drawer is incredibly organized, with whole sections just devoted to one luxe brand after another, lurking beneath the surface were some incredibly expired tubes.

“There’s mold on here!” exclaimed Howard, who twisted open a tube of sheer red stain during the clean-out. “Just letting you know there’s mold. No, there’s mold. That’s disgusting.”

“I bought that at the airport in France before Mason was born [six years ago],” Kardashian responded, to which Howard immediately replied with an “Ew,” adding, “I think you can afford to buy another one.” (We second that.)

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While the pair were tossing Kardashian’s six-, seven- and even eight-year-old lipstick tubes (and a previously owned Victoria Jackson palette from Kris Jenner circa the ’80s), Howard offered up her tips and tricks for storing, stashing and recycling makeup.

1. The icon on the bottle of a product tells you the product’s shelf life.
2. Lipsticks can last up to two years.
3. Regularly sanitize your sharpener to protect your lip pencils from contamination.
4. Lip gloss can last up to 18 to 24 months.
5. Recycle! Some brands have programs to encourage this, including M.A.C., where you can bring in six empty items and get one free.

And the most important rule of the bunch, according to Howard:

6. If you haven’t used it in a year, toss it!

Dying to go home and start your clean-out immediately? Check out the full makeup drawer clean-out on Kardashian’s app/website.

How often do you clean out your makeup stash? Share below!

–Sarah Kinonen

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