This is common among those with long hair, as shampoo and conditioner may run over your neck, shoulders and back during a shower. Hormonal body acne: Hormonal changes can increase the skin’s ...

For example, an athlete who uses helmets, like a cyclist or a football player, might develop pimples on their forehead, scalp, neck, and chin. Hikers might get acne on their shoulders and backs ...

“This type of acne may also extend along the jawline and neck, typically flaring a week before menstruation,” says Dr. Shirazi. Hormonal acne doesn’t operate in a vacuum either. “It’s ...