Red light also reduces skin inflammation. The body produces less collagen as a person ages, which causes the skin to show signs of aging. It may do this by acting on fibroblasts, which are skin cells that are responsible for collagen production.Ĭollagen is a protein in the skin and other connective tissues. Red LED light may improve scarring and signs of aging, such as wrinkles. This reduction in activity causes the glands to produce less oil, possibly improving acne symptoms.īlue light may also kill a type of bacteria that contributes to acne by causing inflammation.Īnimal research indicates that blue light can improve the healing of third degree burns. Blue lightĮxperts believe that blue LED light reduces activity in the sebaceous glands, which are small oil-producing glands in the skin.

This penetration may trigger biological processes that help the skin rejuvenate and heal. However, since then, LEDs have shown promising results in wound healing and human tissue growth.ĭifferent wavelengths of light in LED lights, including blue and red, penetrate the skin at different depths.

NASA originally developed LED lights for plant growth experiments in space. These lights have been in use since the 1960s, but people have only recently begun to use them as a skin treatment. Share on Pinterest Due to a lack of UV rays, it is safe to undergo LED therapy regularly.

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