Written Laser Hair Removal Practice Exam

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Prepare for the Written Laser Hair Removal Exam. Study with flashcards and multiple-choice questions, each question includes hints and explanations. Get ready to succeed on your exam!

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What wavelength does the Ruby crystal use?

  1. 650 nm

  2. 694 nm

  3. 755 nm

  4. 800 nm

The correct answer is: 694 nm

The correct answer is B. 694 nm. The Ruby crystal uses a wavelength of 694 nm. This specific wavelength is well-absorbed by melanin, the pigment in hair follicles, making it an effective choice for targeting and destroying hair follicles during laser hair removal treatments. The other options (A, C, and D) do not correspond to the wavelength typically emitted by the Ruby crystal and are not commonly used for laser hair removal procedures.

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