Huafei LED PDT light beauty instrument utilizes a variety of different wavelengths and colors of light to stimulate skin cells, thereby improving collagen, skin tone and acne.
650nm red light can prevent hair loss and promote hair regrowth on the head.
For specific data, please refer to “Hair Growth Promoting Effects of 650 nm Red Light Stimulation on Human Hair Follicles and Study of Its Mechanisms via RNA Sequencing Transcriptome Analysis”.