I m having an issue with my scalp n hair, I feel like there is something crawling on my scalp and i can see stuff moving, however my daughter, in elementary school had caught lice from another child and that s not what ion my hair. At the end of the day my shirt has a lot of tiny black lint looking things on them, that I know fell from my head, cause they werent there before, But i dont know what they could be, can u help?