While there are always new questions to answer, many of the factors that tend to produce acne have been well researched.
In the surface of the skin are pores, tiny openings called a hair follicle. Deeper inside the pore, near the base of the follicle, there are sebaceous glands that produce sebum, a natural type of oil. That oil helps keep the skin flexible and protected.
Pores can close, causing them to become clogged with that excess oil. That encourages