With time facial skin begins to show signs of wear and tear. Lines and creases appear while skin begins to loosen and sag. Age spots may also appear. The effects of sun, smoking, stress, poor nutrition, pollution and alcohol all accelerate the aging process. Laser skin rejuvenation is one way to erase the ravages of time on delicate skin. Lasers are particularly effective to remove fine lines, treat scars and reverse the effects of sun damage.