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Technique creates “islands” to isolate optical energy in skin

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David Shenkenberg

In 2005, Americans spent more than $300 million on almost 800,000 laser hair removal treatments, according to the American Society of Plastic Surgeons. Lasers also can be used to alter skin pigmentation or to remove unwanted wrinkles, scars and tattoos. However, skin scatters light, and optical energy must penetrate below its top layer for effective dermatological treatment. It also must be focused on the treatment area to avoid damaging surrounding tissue. Optical clearing agents can cause the skin to have a more uniform refractive index, thus reducing light scatter, but they must...Read full article

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