It looks like your sentence got cut off. If you're trying to say that someone was worried about their hair, you could complete the sentence in a few different ways depending on the intended meaning. Here are some possibilities:

1. "It worried her a bit that her hair was **thin**."
2. "It worried her a bit that her hair was **graying**."
3. "It worried her a bit that her hair was **unruly**."
4. "It worried her a bit that her hair was **messed up**."

If you provide more context or complete the sentence, I can give you a more accurate suggestion!