...The blue light which kills the bacteria comes from LEDs. LEDs are light emitting diodes. These are solid state devices which have a very long life span and are immune to vibration and shock (dropping the device, for example). They are different from regular light bulbs in that they can be made very small and energy efficient and they are made to emit light in a narrow band which allows them to effectively treat the acne without damaging your skin....»
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«...• Repeat this application for 2 to 3 times a day for at least 3 months...»
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