Light therapy is a blessing from god and the younger people seems to be most satisfied.  Light therapy can cure multiple disorders mainly aging. Aging is uncontrollable and it is natural. Once people cross the border of 30 years, wrinkles will appear. Light therapy is an active treatment in disappearing wrinkles in very quick period. You just have to place the LED device against the skin, hold the device for the 3 minutes and repeat the process for at least six to eight months. FDA approved LED device usage on all facial wrinkles. According to the published research,   the wavelengths of red LED lights stimulate fibroblasts, which in turn reeve up collagen production. Blue LED lights are effective for acne control. 

http://nononsensebeauty.wordpress.com/2012/06/06/led-lights-for-wrinkles-week-one/