Red Light Therapy: Genuine Science or Expensive Placebo?
Let's be honest. You've probably seen the panels. Red-glowing devices, sometimes shaped like masks, sometimes full-body panels costing hundreds or even thousands of dollars, promising everything from clearer skin to reduced pain to better sleep. It looks like something out of a spa brochure crossed with a science fiction movie, and the sheer range of claims attached to it makes it genuinely hard to know what's real and what's marketing . Let's separate the two, based on what the actual evidence supports. What Red Light Therapy Actually Is Red light therapy, sometimes called photobiomodulation, uses specific wavelengths of red and near-infrared light applied to skin or tissue. Unlike UV light, which damages skin over time, these particular wavelengths don't carry that same risk, and research suggests they can penetrate into skin and underlying tissue in ways that trigger genuine cellular responses. The proposed mechanism involves mitochondria, the energy...