Do girls have hair on their nipples?

Yes, one can safely shave the nipple area, but since the skin in that area is sensitive, to avoid irritation, it's better to cut it close to the skin with a small scissors. Plucking or laser treatment is not recommended because of irritation. It was once widely believed that such irritation could possibly lead to the onset of Breast cancer, but that's been largely disproven as irritation does not cause the DNA in a cell to change. Always check, though, for the latest findings in this area before deciding on your method of nipple hair removal.