: It is marketed as the first and only over-the-counter light therapy device cleared by the FDA for cold sore treatment. Versions : Virulite CS Original : The standard portable model.

: An enhanced version offering unlimited treatment outbreaks and often sold with a lifetime warranty. Usage & Effectiveness

The (or ViruLite CS) is an FDA-cleared, handheld medical device designed for the electronic treatment of cold sores (herpes labialis). It uses a specific wavelength of invisible light to stimulate a local immune response, shortening healing time compared to traditional creams or patches. Key Features & Technology

: The device emits near-infrared light at a peak wavelength of 1072nm . This specific "narrow waveband" is invisible to the human eye but is clinically proven to penetrate skin and enhance the body's natural defense against the virus.