What Causes Forehead Acne?
There are some internal factors as well as external factors that can be the cause of forehead acne. Due to certain hormonal changes that take place during puberty, production of sebum goes up, which then get collected into the skin pores. The hormonal changes during pregnancy or menstrual cycles can also increase sebum production. Mental stress, genetic factors, unhealthy diet and side effects of some medicines can make some people susceptible to getting acne on the forehead.