A genuine smile is characterized by the activation of specific facial muscles, particularly the zygomatic major and orbicularis oculi. This type of smile often involves the eyes crinkling and a slight raising of the cheeks, indicating true happiness or warmth. Unlike a forced smile, a genuine smile reflects authentic emotions and can create a sense of connection between individuals. Research shows that genuine smiles can positively influence social interactions and improve mood. They are often associated with feelings of joy, contentment, and friendliness. In various cultures, a genuine smile is recognized as a universal sign of goodwill and approachability, fostering trust and rapport among people.