ACNE/ACNE SCARS

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What are acne scars?

Acne scars are permanent changes in the texture of the skin caused by the healing of nodular and cystic acne.

Acne scars occur in areas rich in oil glands like:

  • Face
  • Back
  • Shoulder
What are the different type of acne scars?

The different types of acne scars are:

  • Macular
  • Atrophic
  • Hypertrophic or Keloidal

The most common type of acne scars are Atrophic scars. Atrophic scars extend deep into the dermis and are resistant to treatment. The different types of atrophic scars are:

  • Icepick scars
  • Boxcar scars
  • Rolling scars
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Frequently Asked Questions
What causes acne?
Four factors are involved in the pathogenesis of acne.
~ Increased production of sebum by sebaceous glands
~ Cornification of pilosebaceous ducts
~ An abnormality of microbial flora
~ Products of inflammation produced by Propionibacterium acnes such as lipase, protease, hyaluronidase and chemotactic factors. These products are comedogenic.
The factors that affect acne are genetic factor, androgens, extreme heat and humidity, stress, menstruation, sweating, dust, cosmetics, oil, sugary diet.
How to differentiate acne from other skin rashes on the face?
Acne lesions are polymorphic which comprises of comedones(black heads and white heads), papules, pustules, nodules,cysts and scars. The hallmark of acne is microcomedones. Acne lesions can be present on the chest and back.
Which age group is affected by acne?
Acne begins when the sebaceous glands become active at puberty which peaks at 14-18 years of age. It may reduce in severity thereafter but in some individuals it may continue until middle age.