split end  
noun uk/ˌsplɪt ˈend/ us/ˌsplɪt ˈend/
  (HAIR)      
 [ C usually plural ](发梢的)分叉 
a hair that has divided into several parts at its end
  Dry, brittle hair and split ends were the unfortunate consequence of years of dyeing it peroxide blond. 头发干枯易断、发梢分叉是常年把头发漂染成金色的后果。 
 - More examples
 - I swear I will get my split ends cut every four weeks, not wash my hair every day, and always, always, use product.
 - What problems can't be cured? Split ends. Cut them off.
 - Alcohol can dehydrate the body, making the hair brittle, dry and liable to split ends.