At 100mm, facial features are naturally "flattened," which reduces the distortion of noses or foreheads common in wider lenses.

Are you using this as a or a Photoshop plugin ?

: Includes research-backed tools for applying realistic eyeliner, lipstick, and contouring. For those managing high volumes, PortraitPro Studio Max Batch Mode to process entire shoots at once with a single click. for portraits or how to use the batch editing feature in the Studio Max version? PortraitPro - Easy Photo Editing Software

Based on the keywords this appears to be a request for the ultimate feature set for a hypothetical (or branded) AI image generator or camera setting tailored for creating the "best" possible portraits.