Any ways, back to the OP: It should be clear that the world is full of narrow-minded people who will judge your ability to keep them safe and instruct them based on matters of personal appearance that are functionally irrelevant. It should also be clear that there are people who will claim to be above such things but use chasing the almighty dollar as an excuse to participate in discrimination. Govern yourself accordingly.
Speaking of governing, here is a picture of a couple who at the time this was taken were wearing hair styles that would have barred them from employment with many establishments: