Facial Hair Removal Laser Hair Removal

Question 1

What principle does laser hair removal rely on to destroy hair follicles?

Accepted Answer

Selective photothermolysis

Answer

Cryotherapy

Answer

Chemical dissolution

Answer

Radiofrequency energy

Question 2

Which skin and hair combination responds best to laser hair removal?

Accepted Answer

Light skin and dark hair

Answer

Dark skin and dark hair

Answer

Light skin and light hair

Answer

Dark skin and light hair

Question 3

Why does laser hair removal require multiple sessions?

Accepted Answer

Hair only responds to laser during the active (anagen) growth phase

Answer

Each session uses a different laser type

Answer

The laser weakens with each use

Answer

Insurance requires multiple visits

Question 4

Which laser type is considered safest for darker Fitzpatrick skin types (IV–VI) for facial hair removal?

Accepted Answer

Nd:YAG (1064 nm)

Answer

Alexandrite (755 nm)

Answer

Ruby (694 nm)

Answer

Diode (810 nm) at high fluence

Question 5

What pre-treatment instruction is essential before facial laser hair removal?

Accepted Answer

Avoid sun exposure and tanning for at least 4–6 weeks prior

Answer

Tan the skin to boost melanin

Answer

Apply self-tanner to darken the hair

Answer

Bleach the facial hair for better contrast

Question 6

Which method of hair removal is contraindicated in the weeks before a laser hair removal session?

Accepted Answer

Waxing or threading

Answer

Shaving

Answer

Using depilatory cream

Answer

Trimming