A science-based overview of red light therapy benefits backed by research — from skin and muscle recovery to brain health, sleep, and hair growth. What the evidence actually shows.
Red light therapy (RLT), also called photobiomodulation (PBM), has become one of the most competitive categories in home wellness. The market now includes everything from compact two-wavelength starter panels to full-body systems with app controls, modular expansion, and multi-spectrum light combinations. But more LEDs, more wattage, or more wavelengths do not automatically make a panel…