Education is the thing. This black-white bit - I don't deal with people that way. I deal with it as if you are another individual. If you do something that perturbs me or aggravates me, I do not think you've done it because I'm black.
Hair is vitally personal to children. They weep vigorously when it is cut for the first time; no matter how it grows, bushy, straight or curly, they feel they are being shorn of a part of their personality.