A scar is an area of fibrous tissue that replaces normal skin after an injury. Scars result from the
biological process of wound repair in the skin. Thus, scarring is a natural part of the healing process.
Scars can happen on face because of Acne, Chicken pox, trauma, etc
Scars can be treated in various ways:
MNRF (Micro Needle Radiofrequency)
Derma Roller
Subsicion
Skin polishing
Chemical peeling
Surgical intervention.