Summary

Hair Length tracks how long the hair falls and how it is styled, and on Niall Horan it scores 10.0, placing him higher than 45% of the men on the wiki. Among the men measured, Adam Cowie (Dante DMC 5), Adam Cowie (Dante DMC 5), and Adin Ross share the same 10.0, while Aaron Paul also reaches 10.0 at the top of the range and Rick Rubin sits at the bottom with 1.5. Niall's Facial Hair scores 7.5 and his Hairline scores 5.5, and the full picture is in Niall's full Dimorphism breakdown.