11.   His hair is going gray.

12.   Her hair has gone flat.

13.   His biggest worry though was that his hair was going gray.

14.   His hair has gone white.

15.   I wear bifocals proudly, when I can find them, and am beginning to admire women who let their hair go gray.

16.   I thought my hair was going to fall out.

17.   My bony legs are longer than I would like and freshly pressed hair has gone awry in the wind.

18.   The city has variety to its fishing, said Gifford, a lean man with dark hair going silver.

19.   The hair goes electric.

20.   The hair is going bad.