Laser & Light
What is the term for a beam of photons that have the same frequency and phase in laser light?
Coherent
What was OSHA created for?
Workplace Safety
What does the blend method in electrolysis achieve?
It combines the effects of galvanic and thermolysis.
What is the main purpose of a pre-waxing cleanser?
to remove oils and bacteria
What should all lasers be in when not in use to prevent accidental firing?
Standby mode.
What is the range of most cosmetic laser wavelengths?
400nm-10600nm
What is the range for the ANSI laser classifications?
I - IV
What is the end product of the chemical reaction during galvanic electrolysis?
Lye (Sodium Hydroxide)
What type of wax is ideal for smaller, sensitive areas?
Hard Wax
What is the key feature of microneedling therapy?
use of fine needles for skin punctures
Why is the “spot size” crucial in light therapy?
It influences treatment accuracy.
What is the role of the FDA’s Center for Devices and Radiological Health (CDRH)?
It allows skin cooling between pulses.
Which type of electrolysis uses direct current to create a chemical reaction?
Galvanic electrolysis.
What is a primary ingredient in sugar paste?
Lemon
What Chromophore does laser hair removal target?
Melanin
What is TRT and why is the thermal relaxation time (TRT) important in light therapy?
It determines the pulse interval.
What is the role of a laser safety officer (LSO)?
What is the role of a laser safety officer (LSO)?
What is the main mechanism of thermolysis electrolysis?
Heat Generation
What type of hair length is ideal for sugaring?
1/16th of an inch
How does variable interpulse delay enhance the safety of light therapy?
It allows skin cooling between pulses.
Which type of laser treatments cause skin contraction?
nonablative
What does the ANSI Z136.1 Standard not address?
client safety
What is the main outcome of cataphoresis in electrolysis?
chemical reaction generation
How can hair removal help in the management of Hidradenitis suppurativa (HS)?
by reducing friction and occlusion
What is the main difference between monopolar and bipolar radiofrequency therapy?
number of electrodes used