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)
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)
