LASER HAIR REMOVAL - 40 HOUR APPRENTICE TEST | QUESTIONS
AND ANSWERS | NEW 2026 UPDATE | 100% CORRECT.
How many layers of the skin are there and what are they? Answer - 3 layers:
epidermis (outer)
dermis (middle)
subcutaneous (or hypodermic) (innermost)
What are the phases of hair growth? Answer - Anagen - actively growing
Catagen - transitional phase
Telogen - dormant or resting phase
In what phase can hair be damaged by the laser? Answer - hair in the anlagen
phase
What is the purpose of doing multiple treatments? Answer - Hairs are in
different stages at different times so we need to do multiple treatments to
catch all the hairs in all the different phases
If a client calls about burning and irritation what do you do? Answer - ask them
to come into the office, you take pictures of the blisters, call your physician,
and follow up the next day
What do you do about a red, burning, itchy, rash? Answer - It is a histamine
reaction. Take an antihistamine and use hydrocortisone cream.
, How long prior to your treatment must you not be exposed to the sun?
Answer - 2 weeks
If a client is on accutane what are the rules? Answer - They must wait 6
months AFTER finishing accurate to get a treatment.
How long must a client wait after waxing, tweezing, plucking, or threading to
get a treatment? Answer - 4 weeks
Who is over laser hair removal practices? Answer - TDLR
What is another word for ingrown hairs? Answer - Pseudofolliculitus barb
***If a woman has male like hair growth on the face what do you do? Answer -
Refer them to an OBGYN and could be PCOS
Increasing the wavelength absorbs what? Answer - Less melanin
What laser would would you use on dark skin? Answer - 1064 because the
longest wavelength and it's further away from the melanin
What is a chromophore? What 3 are for us? Answer - your target; melanin,
water, blood
What is calibration? Answer - input=output
AND ANSWERS | NEW 2026 UPDATE | 100% CORRECT.
How many layers of the skin are there and what are they? Answer - 3 layers:
epidermis (outer)
dermis (middle)
subcutaneous (or hypodermic) (innermost)
What are the phases of hair growth? Answer - Anagen - actively growing
Catagen - transitional phase
Telogen - dormant or resting phase
In what phase can hair be damaged by the laser? Answer - hair in the anlagen
phase
What is the purpose of doing multiple treatments? Answer - Hairs are in
different stages at different times so we need to do multiple treatments to
catch all the hairs in all the different phases
If a client calls about burning and irritation what do you do? Answer - ask them
to come into the office, you take pictures of the blisters, call your physician,
and follow up the next day
What do you do about a red, burning, itchy, rash? Answer - It is a histamine
reaction. Take an antihistamine and use hydrocortisone cream.
, How long prior to your treatment must you not be exposed to the sun?
Answer - 2 weeks
If a client is on accutane what are the rules? Answer - They must wait 6
months AFTER finishing accurate to get a treatment.
How long must a client wait after waxing, tweezing, plucking, or threading to
get a treatment? Answer - 4 weeks
Who is over laser hair removal practices? Answer - TDLR
What is another word for ingrown hairs? Answer - Pseudofolliculitus barb
***If a woman has male like hair growth on the face what do you do? Answer -
Refer them to an OBGYN and could be PCOS
Increasing the wavelength absorbs what? Answer - Less melanin
What laser would would you use on dark skin? Answer - 1064 because the
longest wavelength and it's further away from the melanin
What is a chromophore? What 3 are for us? Answer - your target; melanin,
water, blood
What is calibration? Answer - input=output
