Dual Chip 660nm 850nm Red Light Therapy Panel LED Infrared 300W

Home Use Beauty Equipment Dual Chip 660Nm 850Nm 300W Infrared Led Red Light Therapy Panel

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LED lights: Are they a cure for your skin woes?

For many years, scientists have studied how the sun's rays affect the skin. First, they focused their attention on the so-called burning rays of the sun, or ultraviolet B radiation, more commonly referred to as UVB. Then, the focus shifted to ultraviolet A rays, or UVA. Those are the sun's rays that age the skin, leading to wrinkles and discoloration. "Only recently have we started to talk about the effects of visible light on the skin — not necessarily LED light, but visible light in general," says Dr. Buzney. Researchers are now aiming to better understand how both visible light and LED light affect the skin.

LED lights have been around since the 1960s, but have only recently been used as a skin treatment. Different wavelengths of the visible light spectrum correspond to different colors of LED light and penetrate the skin to different depths. Depending on how deeply they penetrate, LED lights are thought to have different biological effects.

Red and blue lights are typically promoted in LED skin treatments. Experts believe that red LED light acts on cells in the skin known as fibroblasts, which play a role in production of collagen, a protein that makes up a large part of connective tissue and helps the skin to recover when it's harmed. So, in theory, red light could help to reverse some of the signs related to photoaging in the skin, says Dr. Buzney. In addition, some studies show that red light may help to restore hair for those with androgenetic alopecia, or male- and female-pattern hair loss, she says.

Blue LED light is most often used to treat acne. It may do this by reducing activity in the sebaceous glands, so they produce less of the oil that can plug the hair follicles, leading to acne. Blue light may also kill acne-causing bacteria known as Cutibacterium acnes. Often blue and red light are used in combination to help fight acne — the blue light targeting the C. acnes and the red light targeting inflammation and redness. However, more research is needed to confirm that these lights are truly effective and that they produce lasting results.

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