Summary

In FaceIQ Labs' Dimorphism analysis, Song Kang's Hairline scores 4.0. It rates hairline shape, position, and pattern. The score is higher than 10% of the men on the wiki. Adrian Grenier (4.0), Archie Cranch (4.0) and Archie Gray (4.0) come closest to Song's score. The highest on the wiki is Abraham Lincoln, at 10.0. Of his other Hair measurements, Hair Length is the strongest at 10.0 and Facial Hair the weakest at 2.5. It counts toward his Dimorphism score.