Acne scars are formed as a process of healing after an acne or any kind of injury which takes place on the skin .Scars consists of collagen fibers arranged in a haphazard manner. When acne breakouts it penetrates the skin deeply, they damage the skin and the tissue beneath it. As the acne clears, the body tries to repair this damage which is seen in the form of pits and depressions.

Types of Scars

The following types of scars occur in acne:

• Ice–pick scars
  
• Rolling scars
  
• Box scars
  
• Atrophic scars
• Hypertrophic scars or keloids

Causes of Scars

• Acne with combination of nodules and cysts.
• Positive f/h/o acne and scarring.
• Untreated inflammatory acne
• Habitual picking of acne.

How Does Scars Look ?

• Depressions on the skin
  
• Pits on the skin
  
• Raised lesions.
  
• Post inflammatory hyperpigmentation is also seen when the acne subsides.

Acne Scar Treatments

• Chemical Peels.
  
• Dermarollers
  
• Microdermabrasion.
  
• Microneedling with subscision.
  
• CO2 Laser.
  
• Microneedling with Radiofrequency.