What is photon rejuvenation? In response to this question, Xia Wenhua, a naval plastic surgeon, replied: Photorejuvenation is a high-tech patented technology recently introduced by the United States, which belongs to non-exfoliative and non-invasive photodynamic therapy and is a new technology developed on the basis of laser technology. Photonic skin rejuvenation machine for treatment has a broad spectrum (560nm- 1200nm) of intense pulsed light, which can be used for a wider range of treatment. A series of mild pulsed light released to the skin can treat erythema, pigmented spots and symptoms of solar aging on the whole face, neck or chest, and can achieve uniform and comprehensive improvement.