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YOU’VE GOT THAT GLOW: A light-therapy machine called ReGen, produced by Swansea, England–based Energist, uses high-intensity LEDs to soften skin, smooth wrinkles, and erase blemishes. Each of the four light boxes has 1024 dual-wavelength LEDs that can be set to glow red or blue. Twenty minutes twice a week is supposed to reduce the signs of aging.