Laser Hair Removal Exam Review Questions and Answers

Laser Hair Removal Exam Review




What are the layers of the skin? - Answer-hypodermis, dermis, epidermis



What are the two classifications of hair? - Answer-vellus and terminal



What is the follicle and its structure? - Answer-Dermis

External Root Sheath



Inner Root Sheath:

Henle Layer

Huxle Layer

Cuticle



Structure of hair:

Cuticle

Cortex (melanin)

, Medulla



Papilla

Blood vessels



What pulse duration and fluence should be used for skin type I, II, III (Lighter skin)? - Answer-Use higher
fluences.

Use a shorter pulse duration.

Use a smaller spot size (optional)



What pulse duration and fluence should be used for skin type IV, V, VI (darker skin) ? - Answer-Use a
lower fluence.

Use a longer pulse duration.

Use a larger spot size (especially for dense and coarse hair).



List normal systemic changes - Answer-puberty, pregnancy, menopause



List factors that activate hair growth: - Answer-Increased blood supply to the area (topical stimulation)-
accelerates.



Hormone stimulation-initiates and accelerates.



What is the chromophore for laser hair removal? - Answer-melanin



Name examples of medical laser wavelengths - Answer-Ruby: 694 nm (RED light. We don't use
anymore)