Red light helps stimulate healing, which can treat acne scars, rosacea, age spots and blemishes. In the many NASA experiments conducted throughout the 2000s, it was found that red light stimulated energy production within cells, effectively providing enough fuel to boost tissue regeneration and accelerate the healing process. Infrared therapy is used to treat wrinkles and other problems caused by poor skin support. Infrared stimulates the activity of fibroblasts, which are responsible for making the proteins collagen and elastin. Collagen and elastin are responsible for supporting the skin and giving it it’s elasticity.