Idaho Cosmetology Licensure Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

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What are the three main phases of hair growth?

Anagen, Catagen, Telogen

The three main phases of hair growth are Anagen, Catagen, and Telogen.

In the Anagen phase, hair is actively growing. This phase can last for several years, and the duration determines the length of the hair. During this time, cells in the hair bulb are rapidly dividing, leading to the elongation of the hair strand.

The Catagen phase is a transitional stage that marks the end of the active growth period. In this phase, which lasts for a few weeks, hair growth slows down, and the hair follicle shrinks, causing the hair to detach from the blood supply and prepare for eventual shedding.

Finally, the Telogen phase is the resting phase where the hair is no longer growing. This phase can last for several months, after which the hair falls out, making way for new hair to enter the Anagen phase again.

Understanding these phases is essential for anyone in cosmetology, as they impact hair care, hair treatments, and hair health management.

Get further explanation with Examzify DeepDiveBeta

Growth, Resting, Shedding

Active, Dormant, Transitional

Root, Shaft, Tip

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