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How long can the anagen phase last?

  1. 1-3 months

  2. 2-7 years

  3. 6-8 weeks

  4. 9-12 months

The correct answer is: 1-3 months

The correct duration for the anagen phase of hair growth is 2-7 years. The anagen phase is the active growth phase of hair follicles, during which the hair grows continuously. This phase significantly impacts the length of the hair, and its duration can vary greatly among individuals, often lasting several years. Factors influencing this phase can include genetics, age, and health. While options such as 1-3 months, 6-8 weeks, and 9-12 months do not accurately reflect the typical duration of the anagen phase, they may signify different stages of hair growth or other processes. Recognizing the length of the anagen phase helps in understanding hair care practices and the overall hair growth cycle.