Portable Light Panel Showdown: Versus Joint Relief, Surprising Skin Benefits! We were intrigued by the Portable Red Light Therapy Panel, offering a range of wavelengths from 630 nm to 850 nm. Initially, we focused on relief for sore joints, especially after exercise, and were impressed with the targeted warmth it delivered. The 810 nm and 830 nm settings, in particular, seemed to soothe discomfort noticeably. But the real惊喜 came when we used it on our facial skin. The 660 nm red light reduced fine lines, while the deeper infrared wavelengths brightened our complexion. We appreciated the panel’s versatility—it fit our trial easily in a small bag. The adjustable timer ensured we didn’t overuse it, and the non-intense light felt gentle on all skin types. Though we prefer panels with batteries for true portability, this one gets a strong nod for blending effective joint therapy with unexpected skin results.