You're telling me those are all the most non-professional hairstyles available? That this is a reasonable assessment? That fairly standard, well-kept, work-appropriate curly black hair is roughly equivalent to the pink-haired, three-foot-wide hairstyle that's one of the only white people in the "unprofessional" search?
Each and everyone of them is less workplace appropriate than, say, http://www.7thavenuecostumes.com/pictures/750x950/P_CC_70594... ?