Facial Light Therapy is a well-known treatment for the skin. It has been used for many years, but recently it has become more popular because of its effectiveness and safety. Facial light therapy works by sending laser light through your skin, which activates the natural production of collagen and elastin in your face to improve the appearance of fine lines and wrinkles, reduce redness from inflammation caused by acne, and restore elasticity to tighten sagging facial muscles resulting from aging or exercise.