split end
US /ˈsplɪt end/
UK /ˈsplɪt end/

1.
a hair that has split into two or more parts at its end, caused by dryness or damage
:
•
Regular trims can help prevent split ends.
•
She noticed a lot of split ends when she brushed her hair.
a hair that has split into two or more parts at its end, caused by dryness or damage