Red light therapy (RLT) involves exposing the body to low-wavelength red or near-infrared light (IRL). Red and near-IRL differ slightly in terms of wavelength and visibility. Red light is visible to ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Rory Evans Rory Evans is a writer focused on skin-care and beauty products.

See more of our coverage in your search results. Add The New York Post on Google New York Post may receive revenue from affiliate and advertising partnerships for sharing this content and/or when you ...