Utah Master Esthetician Practice Exam

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What is the method of hair removal involving the use of lasers to destroy hair follicles?

Electrolysis
Photothermolysis
Waxing
Threading

The correct answer is: Photothermolysis

The method of hair removal that specifically utilizes lasers to target and destroy hair follicles is known as photothermolysis. This technique works by emitting a concentrated light beam that is absorbed by the pigment in the hair follicles. This absorption generates heat, which then damages the follicle and inhibits future hair growth. Photothermolysis is a precise and effective method for long-term hair reduction, making it a popular choice in modern esthetic practices. Other hair removal methods, such as electrolysis, involve a different approach that uses electrical currents to destroy hair follicles one at a time. Waxing and threading are manual techniques that remove hair from the surface but do not affect the hair follicle itself. Thus, photothermolysis stands out as the advanced laser-based method specifically designed for follicle destruction.