According to the French health magazine TOPSANTE May 23 reported that researchers at the university of Florence, Italy has on ultra-weak bioluminescence (uwl) magazine in Germany (Journal of Biophotonics) published a study. The experimental results showed that irradiation LED blue light helps the skin epidermis layer wound bleeding, heal, and no side effects.

The experimental results confirmed that after 8 days of LED blue light treatment, 10 mice wound inflammation also eased. At the same time, the LED blue light hot effect can make the skin temperature, it also helps the accumulation of collagen and the recovery of dermal tissue, and the wound and surrounding skin did not find any adverse reaction. The study further confirmed that the "blue light produced by the effect of field will help accelerate the skin epidermis layer of wound healing, and there is no side effect" hypothesis.

In recent years, the LED light become more and more attention from researchers and cosmetic doctors, who say the LED light source in the future could be used to eliminate the postoperative scar. Some experts believe that the LED light can be used as a way to help people anti-ageing technology, because it can stimulate the cells to slow down the ageing of skin.