The brow bone itself is a bony mark that protrudes from the skin. If a hard bump grows in this area, the diagnosis needs to be differentiated by whether it is accompanied by pain when pressed, as well as by the overall shape and color. If the bumps are red and painful when pressed, it is considered to be localized folliculitis, which is mainly caused by bacterial infection. You can choose to take oral amoxicillin or minocycline and apply topical Bactroban cream for anti-inflammatory treatment, which will soon be eliminated. If the hard bumps growing in this place can move under the skin in addition to simply being hard, consider that it may also be the possibility of sebaceous cyst calcification or skin tumor, and suggest surgical removal, as well as pathology to clarify the diagnosis.