A smile that characterised by crow’s feet around the eyes and an upturning of lips.
DUCHENNE SMILE: “Joe used a Duchenne smile when he saw Lyn come down the aisle towards him.”
A smile that characterised by crow’s feet around the eyes and an upturning of lips.
DUCHENNE SMILE: “Joe used a Duchenne smile when he saw Lyn come down the aisle towards him.”