A nasal tip rotation of 106° was deemed to be the most attractive. So, basically the duchess's nose.
But here's the thing — that study only showed the participants noses from "normal-appearing white women aged 18 to 25 years."
Martin and Umeh seemed just as unimpressed by another ~study~ from plastic surgeons discussed on the show. This one compiled the most "desirable" face by making a cut-and-paste Frankenstein monster out of different celebrities.
You may notice there's no black women in there.
This is the look we should all be giving bullshit beauty standards.