Summary

Upper Forehead Slope describes how far the upper forehead slopes backward from the rest of the forehead, and on Mathematically Perfect Female Face it measures 9.6° and scores 9.8. That value sits above its ideal range of 7.0 to 9.0° and is higher than 60% of the women on the wiki, with only 20% measuring inside that range. Her closest matches are Pokimane and Freida Pinto, both at 9.4°, along with Madeline Argy at 9.4°. At the extremes, Sadie Sink has the highest value on the wiki at 24.1°, while Zendaya has the lowest at 0.5°. For more context, see Mathematically's Browridge Inclination Angle or Mathematically's full Harmony breakdown.