Red light and near-infrared light are often used together in beauty and wellness devices, but they are not the same. The main difference is simple: red light is visible, while near-infrared light is invisible. Red light is commonly used for more surface-level skin concerns, while near-infrared light is generally associated with deeper support beneath the…

Red light therapy has become increasingly popular in both the wellness and beauty industries. Many devices traditionally use the well-known 660nm and 850nm wavelengths, while newer products claim to offer five, seven, or even nine wavelengths. This raises a common question: Does having more wavelengths make a red light therapy device more effective? The short…