People are 'mewing' to sculpt their faces, but does this beauty technique work?

The technique has become a viral hit on social networks in recent months, amassing more than 300 million views on TikTok. Photo: AFP

Why go under the knife when something as simple as tongue posture correction exercises can create a stronger jawline and make your double chin disappear?

Such is the promise of mewing, a technique that is far from being new, but which social networks are now bringing back to the forefront in the quest for a balanced and perfectly structured face.