This is correct. This is a reflexive verb that you are doing to yourself. This translates to, "Normally I brush the hair". If it was something like "Normalmente me cepillo el pelo de Anna" it would be incorrect because you are doing it to Anna, not yourself.
Depending on if learning about the culture of spanish speakers or learning the language, because if they learning the culture of spanish speakers, they have to the food for sure.
