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Laser Hair Removal Questions and Answers | Latest Update 2025
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Laser Hair Removal Questions and Answers | Latest Update 2025
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Laser Hair Removal Questions and Answers |Latest Update 2025
What does LASER stand for? - ANSWER Light amplification by stimulated
emission of radiation
Range of visible light - ANSWER 400-700nm
What are actinic rays - ANSWER Damaging rays that come from the sun
What is GnRH? - ANSWER Gonadotropin Releasing Hormone, the hormone
produced and released by the hypothalamus. GnRH controls the pituitary glands
production and release of gonadotropins.
What are Photons? - ANSWER Small parcels of energy
Examples of lasers and used in hair removal and their wavelengths - ANSWER
Nd: YAG 1064nm
Diode 800nm
Alexandrite 755nm
Ruby 694 nm
The amount of energy carried by photons is relative to their wavelength - the
shorter the wavelength, the greater the energy.
TRUE OR FALSE? - ANSWER TRUE
, What is the wavelength of red light? - ANSWER 700nm
What is the wavelength of Violet light? - ANSWER 400nm
What is a nanometer? - ANSWER The usual measure of light wavelength - is
one billionth of a meter, abbreviated as nm
Visible light is what wavelength? - ANSWER 400-700nm
What is the wavelength of ultraviolet light? - ANSWER Less than 400nm
What is wavelength of infrared light? - ANSWER 700nm and up
Laser are usually named according to the particular medium the utilize
(ex. Nd:YAG, ruby)
TRUE OR FALSE? - ANSWER TRUE
List 3 characteristics of laser light - ANSWER Monochromatic
Collimated
Coherence
Define Monochromatic - ANSWER Consists of photons of a single wavelength
or a very narrow band of wavelengths.
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