When skin is injured, fibrous tissue, known as scar tissue, forms over the wound to repair and protect it. This leads to the formation of scar. You can get a scar on your skin due to accidents, scrapes, acne, burns, chickenpox, piercings and surgical cuts 

High-energy light is used to treat damaged skin. Different lasers are available for treating a variety of scars. With a laser, scars can be lessened significantly and possibly erased, depending on their severity. Also The beams are powerful to break the underlying structures in the skin that cause scarring using both heat and photoacoustic effects. This spurs the creation of newer, healthier cells that better help the scar blend in with the rest of the skin’s color