Our rating scales are reliable tools for valid and reproducible assessment of the aging process in lower face areas.

Except for brow positioning, the upper face rating scales are reliable tools for valid and reproducible assessment of the aging process.

The 5-point photonumeric scale generated spans the severity of the type of crow's feet for which patients most commonly seek correction. The scale is well stratified for consistent rating.

The mid face scales are reliable tools for valid and reproducible assessment of age-related mid face changes.

The 5-point photonumeric scale generated spans the severity of forehead lines for which patients commonly seek correction. The scale is well stratified for consistent rating.

The 5-point photonumeric scale generated spans the severity of marionette lines for which patients commonly seek correction. The scale is well stratified for consistent rating.

The 5-point photonumeric scale generated spans the fullness of the upper and lower lip for which patients commonly seek correction. This scale is well stratified, with low intra- and interrater variability.

The aesthetic grading scales and global scales on estimated age and aesthetic treatment effort are reliable and valid instruments. The results suggest that a more-comprehensive evaluation of the human face and its age-related changes can help to identify important areas of facial aging and to define optimal aesthetic treatment strategies.