Why do we have different color hair

Question: Why do we have different color hair
- Keywords:
  colour,
  different,
  hair
Asked by Ronaldo and Azz to Carolyn, Peter, Richard, Sara, Siana on 13 Nov 2015.
- Richard Unwin answered on 13 Nov 2015:
  
  Hair colour is determined by two pigments, called eumelanin and pheomelanin – the relative amounts of each of the two define what colour your hair will be. the more Eumelanin you make, the darker your hair will be.

Question: Why do we have different color hair