Is Red Light Therapy Ultraviolet Light?
아니요, red light therapy does not use ultraviolet (UV) 빛. Red light therapy uses visible red light (typically around 630–660 nanometers) and sometimes near-infrared light (around 800–850 nanometers), which are both on the opposite side of the light spectrum from ultraviolet. What’s the Difference Between Red Light and UV Light? Why Is Red Light Therapy […]
