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What type of light is used in a woods lamp for skin analysis?

  1. White light

  2. Filtered black light

  3. Infrared light

  4. Ultraviolet light

The correct answer is: Filtered black light

The type of light used in a Woods lamp for skin analysis is filtered black light. This specialized light allows professionals to assess various skin conditions effectively. Filtered black light primarily emits ultraviolet light, but it is modified through a filter to create a safe and non-harmful spectrum for examining the skin. When applying the Woods lamp during skin analysis, it helps reveal issues such as pigmentation irregularities, bacterial infections, and areas of hydration imbalance. The fluorescence produced under this lamp can indicate different skin conditions, making it a valuable tool in dermatological and esthetic assessments. Though ultraviolet light is present, it is not the sole type utilized in Woods lamp analysis; hence referring to it as filtered black light captures the essence of how the light is modified for safe and effective skin assessment.