Home / Series / Mental Floss: Big Questions / Aired Order / Season 2 / Episode 18

What makes hair naturally straight or curly?

This week, clairebellxo asks, "What makes hair naturally straight or curly?"

English
  • Originally Aired March 7, 2016
  • Runtime 3 minutes
  • Production Code ex1bqXTJbcQ
  • Network YouTube
  • Created September 19, 2017 by
    Administrator admin
  • Modified September 19, 2017 by
    Administrator admin