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Women are obsessing over a technique that removes a double chin instantly when posing for photographs.
'Mewing' tightens the jawline immediately - and all you have to do is push your tongue into the roof of the mouth and suck in your throat.
The technique is believed to have been popularised by British father-son orthodontists John and Mike Mew and millions have used it since to improve their photographic appearance.
TikTokers and influencers who have only just discovered the simple method have been spreading it widely, saying it makes their jawlines look 'snatched' in mere seconds.
TikToker Kaci Shiers tried it herself and immediately her 'double chin' vanished. Within 24 hours that video exceeded an eye-watering 10.2 million views with thousands wondering how on earth she did it.
'Mewing' changes the appearance of the jawline by repositioning the tongue to touch the roof of the mouth. This method temporarily reduces the appearance of a 'double chin'
In the video, Kaci started mewing as if she noticed someone taking a picture of her from the side.
To mew correctly, relax the tongue and ensure it's entirely against the roof of your mouth. The teeth should be touching and lips should be sealed.
The skin beneath the chin should lift accordingly, but practice may be required. The tactic is also unlikely to provide ongoing benefit.
Some A-list celebrities have also been rumoured to make use of mewing while taking photos on the red carpet.
TikToker Kaci Shiers tried it herself and immediately her 'double chin' vanished. In the video, Kaci started mewing as if she noticed someone taking a picture of her from the side
According to WebMD, there's 'no serious research that suggests mewing can change the shape' of the jawline or help with health issues ongoing.
Healthline cited one study that 'looked at tongue resting positions to see if any muscle groups were engaged as a predictor of long-term memory.'
'In this case, researchers found that the 33 people in the study didn't exhibit any signs of altered muscle activity,' it said.
Healthline did say the practice was not 'inherently dangerous', but more research is required.
