Injection will not exceed a total of 4 cc of hyaluronic acid filler for combined treatment sessions (initial treatment + possible touch up treatment session).

Hyaluronic acid filler

The size of lip most desired based on the LFS scale. The possible choices are: 1) Minimal: flat or nearly flat contour, minimal red lip show. 2) Mild: some red lip show, no lower lip pout. 3) Moderate: Moderate red lip show with slight lower lip pout. 4) Marked: significant red lip show and lower lip pout, upper lip with moderate pout. 5) Very Marked: very significant red lip show, significant upper and lower lip pout.

Satisfaction levels relative to baseline via the FACE-Q questionnaire. The questionnaire asks the following questions: 1) The shape of your lower lip? 2) How well your lips suit your face? 3) How nice your lips look when you smile. 4) How full your lower lip looks? 5) The style of your lips (e.g. pouty, natural)? 6) The shape of your upper lip? 7) How turned up your upper lip (cupids bow) looks? 8) The size of your lips? 9) How the outer corners of your lips look when your face is relaxed (still)? 10) How full your lips look? The possible choices for each question are as follows: very dissatisfied (1), somewhat dissatisfied (2), somewhat satisfied (3), very satisfied (4). Responses of very satisfied signify a more positive outcome. Overall scores closer to 40 signify a more favorable satisfaction level.

LFS preference by age group (21-40 years old vs. 41+ years old). The size of lip most desired based on the LFS scale. The possible choices are: 1) Minimal: flat or nearly flat contour, minimal red lip show. 2) Mild: some red lip show, no lower lip pout. 3) Moderate: Moderate red lip show with slight lower lip pout. 4) Marked: significant red lip show and lower lip pout, upper lip with moderate pout. 5) Very Marked: very significant red lip show, significant upper and lower lip pout.