Go ahead, google "unprofessional hairstyles" on google images. You'll find a large amount of black hairstyles. Google "professional hairstyles" and it's mainly white women. You can't tell me that's not biased against black women's natural hair.
I cringe when some teachers only cover slavery (slave trade, plantations, etc.)! The students already know that people of color in America were held in bondage! Teach more! Help raise self awareness and support self love! Black History