The development of acne can be stimulated from a wide variety of factors. One important factor is an increase in hormones called androgens, which are the male sex hormones and can affect oil production within the skin, creating eruptions.

Differin and Duac are brand name topical acne medications prescribed to people with severe, hard-to-treat acne. Differin, also known as adapalene, is a vitamin-A derivative that prevents pimples from forming by promoting cell turnover in pores and preventing follicles from clogging.

Blackheads form when hair follicles on the skin get clogged with excess oil and dead skin cells. Your body produces oil through hair follicles to moisturize and protect the skin and releases it on the surface. When oil builds up, it pools to collect dirt and dead skin cells.

If your skin, which was once smooth and even-toned, has gradually (or suddenly) become spotted with discoloration, you're not alone. Hormonal changes, sun exposure or basic genetics can cause discolored spots in all skin types and tones.

Skin pores usually stay happily in the background as they go about their job of keeping the skin healthy and lubricated. However, those little pores become larger and more noticeable when they clog and stretch with oil, dead skin cells and bacteria.

If you have hair, you’re lucky to be able to cover most acne that appears on the scalp that usually appears in the form of pustules. Pustules are pus filled, red, inflamed acne. Scalp acne often starts at the hairline, but can appear anywhere on the scalp.

At least half of all pregnant women experience an outbreak of acne during the months leading up to and immediately following delivery. Like many other body changes, hormones are to blame for pregnancy-induced acne.

About 45 million Americans suffer from acne each year, according to Tim Mitchell and Allison Dudley, authors of the book “Acne: The At Your Fingertips Guide.” Acne is a common skin condition, characterized by red, scaly skin, nodules, pimples, whiteheads, pinheads, blackheads and cysts.

Proactiv is a three-step system specifically designed for people with acne-prone skin. Unlike other acne products on the market, Proactiv is designed for both teenagers and adults. The official Proactiv website states that the system clears up your acne and helps prevent the future development of acne.

According to the Castile Soap website, Castile soap originated in the Castilla region of Spain and quickly became popular throughout Europe.

Acne and blackheads affect an estimated 17 million men and women in the United States, according to Brown University. Blackheads, or open comedones, occur when a combination of oil, dirt, skin cells and bacteria plugs the pores in your skin.

Cystic acne, the most severe type of acne, can leave you with painful, pus-filled cysts on your face and body. Leaving them alone go away naturally is not an option. Over--the--counter medications, prescription ointments and drugs as well as laser therapies are often used to treat cystic acne.