DD1 (mixed race) has fine, very curly hair - ringlets in fact. The Tangle Teaser is the only thing she will tolerate to brush her hair. Sometimes if her hair is very matted it can take a while to get them all out, but it does work. I tend to use lots of conditioning spray before brushing, which helps too.
Thankfully DD2's hair is thicker and I think should be less of a problem. Oh a friend's little girl had very matted hair recently and wouldn't allow her mother to get anywhere near it. Friend used my Tangle Teaser and the girl barely noticed. Friend thought it a miracle brush and went straight out to buy one.
I definitely recommend the Tangle Teaser and think it's worth the