People who want large, luscious lips are taking part in the Kylie Jenner lip challenge that has gone viral on social media.

Jenner recently told Grazia magazine of her controversial lips, “I’m like, ‘Stop talking about my lips. I haven’t had plastic surgery. I’ve never been under the knife. People flashback to pictures of me when I was 12 and say ‘Kylie’s so different,’ but how can I look the same from 12 to 18?'”

kylie-jenner-lipsPeople participating in #kyliejennerchallenge suck on bottles to make their lips very large. The airlock created by the bottle increases blood flow to the lips, which causes them to swell.

And the results are rather disturbing.

Instead of sexy, pouty lips, some people are getting big bruises on their faces. Not only is it gross looking, it’s painful too.

An entire page on Twitter has been devoted to the practice. People are posting photos and videos of the experiment.

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