A 16-year-old schoolboy is warning classmates to avoid the 'Kylie Jenner ' challenge after being left with a bruised face when he sucked into a glass to emulate the Kardashians star 's bee-stung pout . Kevin Coulton from Manchester decided to stick his mouth in the rim of a glass because 'everyone was doing it ' . But the 16-year-old was left with dark bruising around his lips and chin which lasted more than three days . Scroll down for video . Kevin Coulton , 16 , put his lips in the rim of a glass and blew to achieve a fuller pout . But the schoolboy was left with bruising round his chin and mouth . Now he is warning classmates not to take part in the craze sparked by beauty-conscious youths desperate for a fuller pout . 'It ’ s a bit stupid . Everyone ’ s doing it and I just thought I would too . There wasn ’ t really a reason , ' he said . 'It really did hurt , and it went all purple and bruised straight away . It hasn ’ t gone down three days later . My parents were shocked . ' I did it with a glass . A lot of people say it should be done with a shot glass to do it properly . Everyone in school is doing it . 'But I want to tell people not to . It hurts and the bruising takes ages to go down . ' The new craze is popular among teens desperate to emulate Kylie Jenner 's bee-stung pout ( pictured ) Scores of youngsters have suffered similar fates after attempting what has now become known as the Kylie Jenner challenge . Capturing their failed attempts in videos and photographs , they have been seen sucking into bottles , shot glasses and plastic beakers to achieve the plumped look . Instead they were left with unsightly bruising or swelling . The craze was sparked after Jenner , 17 , told fans how she used lip liner to make the most of her lips . Denying claims that she has ever had plastic surgery , she encouraged youngster not to be afraid 'to experiment ' with their looks . The worrying trend dubbed the ' # kyliejennerchallenge ' swept social media , encouraging teens to blow their lips up to epic proportions using bottles or shot glasses ( pictured )
Kevin Coulton , 16 , from Manchester stuck his mouth in the rim of a glass . He was charged with criminal damage and given an 18 month sentence at Liverpool Crown Court