LightStim delivers light energy in a similar way plants absorb light energy from the sun. Each LightStim device uses different wavelengths, or colors of light. LightStim for Wrinkles provides rejuvenating wavelengths of light energy to treat fine lines and wrinkles. Over time by using your Light you can help to recapture a plump, youthful appearance. LED stands for Light Emitting Diode, which is a tiny computer chip encased in glass. Each LED wavelength (color) of light provides unique therapeutic benefits. LED is non-invasive, painless and requires no recovery time. This Light is good for all skin types and is engineered to emit a soothing gentle warmth. LightStim for Wrinkles utilizes wavelengths of Amber, Light Red, Dark Red and Infrared with a total of 72 LEDs. In FDA clinical studies, 100% of participants were shown to have significant improvement in their fine lines and wrinkles in just 8 weeks.