How Often to Use Red Light Therapy for Hair Growth: A Safe Schedule

how often to use red light therapy for hair growth

Red light therapy for hair growth is typically used 3 times weekly on non-consecutive days for about 10-20 minutes per session, unless the device manufacturer specifies a different protocol. Some clinical devices use 4 sessions weekly or brief daily treatments, so the device’s wavelength, irradiance, treatment area, and instructions matter more than frequency alone. Key […]