Are lipomas hard and painful?

Lipomas. Usually are benign growth and non painful.
Generally, no. An epidermoid ("sebaceous") cyst can be hard and painful, particularly if infected. Any unexplained bumps should be evaluated by a medical professional.
Not Really. Lipomas are benign tumors made up of fat cells. They are typically soft and movable. Though not really painful, they may cause some discomfort when they become large or if in certain areas.
Not usually. Lipomas (benign fatty tumors) tend to be soft, squishy, and freely moveable under the skin. If you have a hard, painful lump, you should have it checked by a medical professional.