Marrionette lines - crease from the corner of the mouth due to loss of volume as we age.
Dermal filler
Nasalabial folds - crease from the sides of the nose to the corners of the mouth, otherwise known as smile lines. These become more obvious due to loss of volume as we age.
A small amount of filler can add volume to these areas, smoothing out these lines and restoring a more youthful appearance.