Atrophic scars result from a loss of collagen in the skin. This collagen loss leads to a depression in the skin's surface, creating a flat, shallow scar that lies below the skin's top layer.
Causes of Atrophic Scars
Several factors can trigger the collagen loss that causes atrophic scars:
- Severe Acne: Deep, inflamed acne breakouts can damage the underlying skin layers, resulting in collagen loss and the formation of atrophic scars.
- Chickenpox: The blisters associated with chickenpox can leave behind atrophic scars, especially if the blisters are scratched or become infected.
- Injuries: Wounds, burns, and other injuries that damage the dermis (the deeper layer of skin) can lead to atrophic scarring.
Types of Atrophic Scars
There are three main types of atrophic scars, differentiated by their appearance:
- Ice Pick Scars: These are narrow, deep scars resembling ice pick holes.
- Boxcar Scars: These are wider, U-shaped depressions with well-defined edges.
- Rolling Scars: These are broad, irregular depressions with undulating edges.
The severity of the atrophic scarring depends on the extent of collagen loss and the individual's healing response.
