Exam (elaborations)
LASER HAIR REMOVAL QUESTIONS AND ANSWERS | UPDATED 2025
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LASER HAIR REMOVAL QUESTIONS AND ANSWERS | UPDATED 2025
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LASER HAIR REMOVAL QUESTIONSAND ANSWERS | UPDATED 2025
What is the first rule of laser/gun safety? - ANSWER Keep your finger off of the
trigger
What is PFE? - ANSWER Perifollicular edema - little pink goosebumps
What does LASER stand for? - ANSWER Light Amplification of Stimulated
Emission of Radiation
When is it okay to do LHR for a client who has been treated with Accutane? -
ANSWER 6-12 months
List 3 aftercare instructions you would give to a client: - ANSWER Avoid sun
exposure, no exfoliation for 48-72 hours, no hot baths/showers, no sweating/gym,
& picking
What skin reactions are considered normal after a laser treatment? - ANSWER
Redness, itching, little red goosebumps, and sensitivity
List the 5 main steps involved in the day to day maintenance of a laser? -
ANSWER Free dust and debris, clean windows; gauges; & goggles, water
reservoir checked, temperature controlled, and check cryogen level
, The laser safety officer determines treatment settings for each client? T or F -
ANSWER False
What is pulse delay? - ANSWER Short break in the laser pulse to allow for TRT
for the skin during pulse duration
How many categories are on the Fitzpatrick scale? - ANSWER 6
The wavelengths are the nanometers for the YAG laser and the Alexandrite laser? -
ANSWER YAG- 1064nm ALEX- 755nm
What Fitzpatricks will typically have poor results on the Alexandrite - ANSWER
4,5,&6
What must laser googles show? - ANSWER OD (optical density) & wavelengths
Which Fitzpatrick scores should generally be put on an Alexandrite laser? -
ANSWER 1,2,&3
List the 3 phases of hair growth - ANSWER anagen, catagen, & telogen
Anagen phase is the most effective for laser removal of hair? T or F - ANSWER
True
Who is required to wear safety glasses in the NHZ? - ANSWER Everyone in the
room
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