'This is getting out of hand': Kylie Jenner learns knock-offs of her cosmetics are being sold online...and they may contain glue and gasoline

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Kylie Jenner has discovered not only that knock-offs of her cosmetics line are currently being sold online, but that the offending products may contain glue and gasoline in them.

The 19-year-old took to Snapchat on Wednesday to alert her fans to the development, insisting that the only place customers could buy legitimate Kylie Cosmetics products was directly from her website.

Kylie expressed genuine concern for her fans as she said she learned the fake products sold to them contained 'really, really dangerous' ingredients.

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'Anywhere else is fake': Kylie Jenner took to Snapchat on Wednesday to alert her fans to the development, insisting that the only place customers could buy legitimate Kylie Cosmetics products was directly from her website

'Hey guys, so I've come across this website called kyliecosmeticsoutlet.com. It looks exactly like mine, but it's not,' Kylie told her fans as she scrolled through the website, which was indeed a dead ringer for her very own website, kyliecosmetics.com.

'I want to be really really clear and let you guys know that the only place to get my products is kyliecosmetics.com, and anywhere else is fake,' she said. 

'Make sure you guys check the URL because these other websites are selling fake product. It might look exactly like mine, but it's not mine.'

'The ingredients that they're using are in these fake products also really, really dangerous, which is my biggest concern.'

Flabbergasted: Jenner couldn't believe her eyes as she scrolled through a website selling knock-offs of her website

Alert: 'The ingredients that they're using are in these fake products also really, really dangerous, which is my biggest concern,' Jenner said in her video

Fans flocked to Kylie's Twitter account to share with her their experiences using the fake products, including one user who shared a video of her lips sticking together after she said she used a knock-off of Kylie Cosmetics' Koko K.

'fake Koko k I got... Literally has glue in it! So gross!! So not cute.....', wrote Twitter user emmamorg3 in the video.

Kylie responded directly to the video, 'Omg I can't even look'. 

'Literally has glue in it': A Twitter user shared a video of her lips sticking together after she said she used the knock-off 

Can't believe it: Jenner responded with a simple 'Wow' to the extreme story 

Another user reported to Kylie that her mother had purchased a fake lip kit from eBay, which apparently had gasoline in it.  

The star addressed these particular examples on her Snapchat, 'Check my Twitter, I just re-posted a video of this girl who got a fake Kylie lip kit and her lips are literally stuck together like glue.'

'This is getting so out of hand, people, please please please don't trust any other website,' she pleaded. 

Public service announcement: The 19-year-old continued to remind fans the only place to purchase her products was directly off her website 

Reminder: The star shared the message, 'Please don't let these fake sites take advantage of you' 

The real deal: Jenner showed off her Kylie Kyliner with her Instagram followers back in September

Kylie said some of the issues reported to her by fans about her products were actually due to the fact they had ordered off a website that wasn't kyliecosmetics.com.  

'I'll get tweets sometimes saying your orders haven't arrived or the colors not right and I have my customer service team look into, and after we look into it and try to get to the bottom of it, it always comes down to the fact that these orders were not placed with kyliecosmetics.com.' 

The reality star said she felt a sense of responsibility to tell her fans about the fake websites.  

It's official: The E! star showed off her pink-tint lip stick and lip liner earlier this month 

'I feel responsible to give you guys a warning because there's people out there that are trying to steal your money.' 

The star shared a video as she bemoaned the fact pressed powder was being sold on the website.

'Like you guys, powdered foundation? Nooo. What is this? Not mine!' 

More in the works: Jenner also showed off the other new shades in the works

'We really got into the ingredients and they're so bad for you!', she insisted.  

Luckily, it wasn't all bad news for Kylie that day, as the star was proud to deliver a check to Smile Train on behalf of her cosmetics company.

'But to end it on a positive note, I got to deliver the check to Smile Train today. I cried a little today,' she said. 

Kylie's lip kits have become a huge success ever since they launched last year, with her products routinely selling out online.

The star's company, Kylie Cosmetics, now also sells eye make-up.

'I cried a little today': Luckily, it wasn't all bad news for Kylie that day, as the star was proud to deliver a check to Smile Train on behalf of her cosmetics company