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Wood's Lamp

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This lightweight handheld unit emits ultraviolet light that helps diagnose skin conditions.

The Wood's light or Wood's lamp was invented by the physicist Robert Wood. It's a device that emits long-wave ultraviolet light. When used in a dark room, it can help diagnose various skin conditions, and therefore will be an essential tool to select accurate treatments and appropriate home care products.

Each color means something different:

- White = thick corneal layer (excess dryness)

- White spots = dead cells, abnormal skin maturation

- Blue/White = normal healthy skin

- Purple = thin skin, lacking moisture

- Light violet = dehydrated skin