Red Light Therapy and Melasma: Can It Make Your Patches Worse?
Can red light therapy help melasma or make it worse? We examine the research on wavelengths, dose, and pigmentation to explain what the findings mean for home masks and panels.
Red Light Therapy for Hidradenitis Suppurativa: What the Research Actually Says
Key takeaway Red light therapy for hidradenitis suppurativa (HS) is being studied as a possible way to help manage pain and inflamed lesions. There is currently no cure for HS, and light has not been established as a way to manage the condition. In one small study of red light alone, 12 of 15 participants […]
Can Light Reach Your Joints? The Science of Red Light Therapy for Muscle and Joint Recovery
Can red light therapy for muscle and joint recovery reach the tissues you want to treat? See what studies have measured, what they found for knee pain and muscle soreness, and where the evidence stops.
Does Skin Pigmentation Change the Light That Reaches Tissue?
Does the same amount of red light reach everyone’s skin? Research shows that pigmentation can affect light transmission, but wavelength, tissue, and device design matter too. Here’s what studies have measured and what they cannot yet tell us about treatment results.
660nm vs 850nm Red Light Therapy: 7 Critical Differences
Understand 660nm vs 850nm red light therapy, including how each wavelength interacts with tissue, where each appears in research and what matters when comparing devices.
Nervous System Regulation: What It Actually Means and Where Red Light Therapy Fits
Nervous system regulation has become a major wellness conversation, but what does it actually mean? Learn how your nervous system responds to stress and recovery, what “fight or flight” really means, and where red light therapy may fit based on current research.
Why Are So Many People Losing Their Hair in Their 20s?
Hair loss in your 20s can happen for more reasons than you might think. Learn what can cause early thinning and shedding, how to tell the difference, and which treatments, including red light therapy, may help.
Laser Caps vs LED Red Light Therapy: Best Proven Hair Growth Choice
Laser caps vs LED red light therapy can both support hair growth, but the way they deliver light is different. See what the research shows, what actually affects results, and which type of device makes more sense for you.
When Should You Consult a Doctor About Red Light Therapy?
Red light therapy has a generally favorable safety profile, but it may not be appropriate for everyone in every situation. Learn when to consult a doctor about medications, photosensitivity, pregnancy, cancer, eye concerns, and other conditions, plus the side effects that may be a sign to stop treatment and seek medical advice.
Why Does Red Light Therapy Look Red If Near-Infrared Light Is Invisible?
Red light and near-infrared light can be emitted by the same therapy device, but only one is visible to the human eye. This guide explains why NIR is invisible, how the wavelengths differ, what happens when they reach the skin, and what those wavelength numbers actually mean.