Chapter 4: Hair Removal Flashcards
How does selective photothermolysis work?
Light is absorbed and heats the selected target
When temperature reaches 70 degrees Celsius the follicle is destroyed
This process selectively destroy a lesion without damaging the skin
What are the hair growth cycles?
Anagen
(Active growth phase)
Catagen
(Transition phase)
Telogen
(Resting phase)
Return to anagen
Which follicle is the only one that can reach follicle necrosis temperature (62-70c)
Anagen
What are the two types of follicles?
- Active follicles
- Grow hair in cycles at a rate of about 0.33 per day - Dormant follicles
- do not grow hair, may become active due to hormonal changes and other reasons
Treatment protocol
Clean & disinfect your work area
Wear disposable gloves and keep them on during the entire procedure
Have protective eyewear within reach
Clean tx area esp from makeup, cream Etc.
Take before pictures
Shave area if needed
Optional : use white pencil to mark borders
Set parameters
Ensure cooling is on high
Wear protective eye wear
Ensure hand piece is full contact on the skin
Trigger pulse with pedal
30% overlapping between pulses (only 1 pass)
Px may report light stinging
Cool area and refer to post tx instructions
Post treatment instructions
Wear Sun protection (30 spf)
Avoid sun exposure, artificial tanning, dirt/debris (new sheets) 
Cleaning and moistening during the following days
Why shouldn’t clients who receive lhr tan?
Tanning after treatment sessions may enhance melanin regeneration, which may result in hyperpigmentation
Treatment of adverse effects
If adverse effects appear, treatment should be discontinued until the treatment site has healed (examine after 3 weeks)
If site has healed, results can be observed - select a darker skin type or longer pulse duration and smooth pulse mode and or lower fluence
If adverse effects are observed and results cannot be observed, the patient should wait another 2 to 4 weeks and return for an additional examination
If no results can be observed during the second examination it should be determined whether the adverse effects were due to the fact that the patient skin was tanned
If adverse effects were not due to tanning. The treatment should be ceased until medical condition is further investigated
Treatment schedule of face
4-6 weeks
6-8 weeks
Treatment schedule for underarm bikini
6-8 weeks
8-10 weeks
Treatment schedule body
8-10 weeks
10-16 weeks
