They say beauty is pain, but what about when your eyeshadow triggers a migraine?

Over the past month, a number of people have complained to the Better Business Bureau (BBB) that Kylie Jenner's new Royal Peach Palette gave off a strong chemical odor; and one person said the smell caused a "horrible headache."

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3pm pst today! Royal Peach Palette restock! KylieCosmetics.com 💙🍑

A post shared by Kylie Cosmetics (@kyliecosmetics) on Feb 10, 2017 at 9:37am PST

On Twitter, Kylie Cosmetics customers have compared the odor to paint, bleach, and Sharpies—and wondered if there are any risks in putting the eyeshadow on their skin.

@KylieJenner @kyliecosmetics yo why does your new eye palette smell like paint? Is this even safe to use?????

— ✨ Śliwka ✨ (@Lillliuma) February 3, 2017

@kyliecosmetics why does the royal peach palette smell like death and bleach?

— Bri (@_HbriK) January 26, 2017

@KylieJenner @kyliecosmetics GURL YOU TRIED IT!!! Why my royal 🍑 pallet smell like sharpies GURRRL!?? Can I get a refund?? #triedit

— Mara Rukavishnikova (@YUNG_CONQUEST) February 2, 2017

According to the BBB, Kylie Cosmetics says the odor is from the palette's packaging, and not the product itself: "The company states that the odor is due to an adhesive in the packaging and the product itself is perfectly safe to use," reads a statement on the BBB site.

RELATED: 11 Surprising Headache Triggers

It's not surprising that a strong smell could cause a reaction in some people. Research has linked chemical odors to headaches, especially in people who are prone to .

One 2011 Brazilian study on 98 migraine-prone men found that strong odors—especially from cleaning products, cigarette smoke, and perfume—were the second most frequent trigger of the miserable head-pounders. (The number one cause was stressful situations.) The researchers also reported that 33% of the participants said odors worsened their migraines.

Other reasons a person might react to a smell include a (a heightened sensitivity to fragrances), or nonallergenic rhinitis. This condition, which typically involves hay fever-like symptoms, affects up to 25% of people and can in some cases be triggered by fragrances.

Potential health problems following exposure to chemical odors depend on a handful of factors, such as how concentrated the chemical is, and how long exposure lasts. Intense smells can also trigger , coughing, or wheezing in some people.

The good news? Symptoms caused by strong odors tend to be temporary, and they go away once you're no longer sniffing the smell.