How to Spot a Fake Smile

Real and Fake Smile


Smile is expression of happiness, but there are many people who just use a fake smile, which often done unconsciously. However, research made it possible to find, whether a person smile is real or fake.

Muscles used during smile: The authentic smile was named "Duchenne smile", when you give a real smile it uses zygomaticus major muscle and the orbicularis muscle of the eyelids. Smiling with the eyes is considered as genuine smile because it involves both your mouth and cheeks muscles.

Why do we fake a smile

Admit it, we all use a fake smile, which could be any situation whether someone tells you joke and but you smile even when you don't find it funny.

It is because we don't want to make them feel bad. Many people use a fake smile to hide their emotions or they don't want to let people know, what they are going through.

Fake smile can be use to let people know that you are happy, which could help to spread positive vibe with a co-worker, a customer or a business partner. Smile is great tool to influence people in many ways.

How to Spot a Fake Smile

Although, fake smiles are very similar to real smiles, in reality they differ slightly because they are generated by another type of facial muscles, which are controlled by another part of the brain.

Fake smile are the result of the conscious part of our brain and the controlled stimulation of the zygomatic muscles that contract the cheeks: these are the muscles that pull the corners of the mouth outwards.

Real smiles, on the other hand, are generated unconsciously, so they are automatic response. When people feel pleasure, the signals pass through area of the brain that generates emotions. In real smile, the lips stretch more widely, without uncovering the teeth. In a fake smile you can clearly see their teeth (bottom teeth in their mouth).

Natural smile is associated with a feeling of pleasure. If a person showing teeth too much it could be a fake smile. You can clearly spot In a TV show, that the loser's smile may be almost identical to the winner's.


A fake smile can be identified, if you know how to detect a real smile. But to spot a fake smile, you must pay attention to above signals. Also detecting a fake smile also let you understand about someone's emotions, if they are genuine or not.

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