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Acne is classified as a chronic inflammatory disease of the skin. It is a condition that occurs
due to the overproduction of oil by the sebaceous glands of the skin. The
oil gets trapped in blocked oil ducts and results in what we know as pimples, blackheads, and
whiteheads on the surface of skin. Sometimes it also includes deeper skin lesions that are called
cysts.
The areas of the skin that are most susceptible to acne are those areas that contain the largest
number of oil glands. For example, it is estimated that there are 2,000 oil glands per square inch
on the forehead alone. The face, chest, back, shoulders, and upper arms are the areas with the
highest population of oil glands.
Acne commonly occurs in people between their teenage years and their 20s. However, it can
develop in older adults and even children. Acne can be disfiguring and upsetting to the patient.
Untreated acne can leave permanent scars; these may be treated by your dermatologist in the future.
To avoid acne scarring, treating acne is important. Acne often clears up after several years, even
without treatment.
RELATED INFORMATION
» Learn about the dermis of your skin where sebaceous glands are
formed
» Read more about acne
- What causes acne
- Signs of acne
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