If your primary skincare goal is to brighten your complexion with a boost of radiance, the brightening benefits of Vitamin C pair nicely with red light therapy. We could all use a little extra glow from time to time — this makes Vitamin C a versatile addition to nearly any skincare routine. On the other hand, if there are other skincare goals you want to prioritize, such as wrinkle reduction, you might explore how to use retinol with light therapy.