Oily skin happens when the sebaceous glands in the skin make too much sebum. Sebum is the waxy, oily substance that protects and hydrates.
Oily skin has many causes, including ones that you can't control, such as genetics, age, and environment. But, your skin care routine and other.
Women who have had oily skin all their lives have a special connection with one another. We've all battled a shiny T-zone in ways that folks.