Long-wavelength light exposure to the skin can reduce inflammation, improve skin appearance, and reduce acne by enhancing lymphatic system function.

“So, when we hear that red light devices, near-infrared light devices, and infrared saunas and getting some low solar angle sunlight on our skin, either near sunrise and perhaps also in the evening, at sunset, or in the late afternoon, is beneficial for our skin, it appears that that, quote-unquote, "benefit for the skin" is direct to the skin cells, also to the vascular cells that are delivering blood, and also to the lymphatic vessels that are removing waste from the general area.”