Subtle Botox in the DAO muscles can lift the mouth corners slightly

https://www.google.com/maps/d/u/0/edit?mid=1Nfo_k7RPtg8vRGICM8qYZwWIcqRJKOc&ll=42.24365340952693%2C-83.76802499999997&z=12

Subtle Botox in the DAO muscles can lift the mouth corners slightly, reducing a downturned expression without affecting natural smiles.