The red fluorescent tube with high power and energy output effectively acts on the mitochondria of subcutaneous tissue cells, generating efficient photochemical biological reactions - enzymatic reactions, activating the cytochrome c oxidase C in cell mitochondria, producing more energy to accelerate the synthesis of DNA and RNA, promote the formation of a large amount of collagen and fibrous tissue, and accelerate the elimination of diseased or dead cells, thereby repairing damaged skin cells to achieve cosmetic effects.