Acne is irritating not only when it is active, but even after it heals. This is because it leaves behind unpleasant scars and pigmentation. Laser therapy is the best known way of dealing with these scars and pigmentation issues. It is a misconception that laser treatment is a new form of skin therapy. Laser is being used to treat pigmentation scars since 1964, however, the procedures have evolved significantly and become much more improved and effective.