Lately, we smiled with our eyes, but since the mouth has taken over, we only see its faults.
So what exactly is a pretty smile?
First, it is spontaneous and “true”.
This is the famous Duchenne smile, renamed by the American psychologist Paul Ekman in the 1980s, after the French neurologist who discovered its mechanisms in the 19th century.
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Unlike the social or ironic smile, the sincere smile makes the eyes squint (the muscles at the top of the face cannot be activated voluntarily).
Many studies have shown that active zygomatics give self-confidence, facilitate personal and professional success, interactions with others... The smile would even have positive effects on health and well-being.
But, sometimes, the positive attitude is not enough.
Many warm and cheerful people look sad in spite of themselves, because a beautiful smile also depends on other parameters: teeth, lips, their...
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