The two extremes (fat lips + defined lips) are rather difficult to harmonize in the Sims. But on Sims whose lips are shapely and more defined, this is difficult to achieve. I (like many people I imagine) find fuller, thicker lips to be very attractive. Frontal View: (Before and After 0% to 100% Blending See Side Profile Attachment) Lip Fatness: Geom-Based Makes Lips Fuller Without Changing Shape. I plan to extend this for other age groups when I have the time. This slider is for Young Adult Males and Females. The Lip Fatness Slider 'A slider that will plump your Sim's lips up.'