Colorado Cosmetology Written Practice Exam

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Which hair growth phase can last for several years?

Anagen
Catagen
Resting
Telogen

The correct answer is: Anagen

The hair growth phase that can last for several years is called Anagen. This phase is characterized by rapid cell division and is the longest stage of the hair growth cycle. Catagen, resting, and telogen are all different phases of the hair growth cycle that occur after Anagen. Catagen is a transitional phase where hair growth starts to slow down, resting is a phase where hair follicles are at rest and not actively growing, and telogen is the final phase where hairs shed and new hairs begin to grow in their place. These phases usually last for a few weeks to a few months, whereas Anagen can last for several years.