Summary

In FaceIQ Labs' Dimorphism analysis, Jack Nicholson's Hairline scores 8.8. It rates hairline shape, position, and pattern. The score is higher than 95% of the men on the wiki. Among the other celebrities, Andreas Erikson (8.8), Clint Eastwood (8.8) and Luke Evans (8.8) sit closest. 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 3.5. It counts toward his Dimorphism score.