Cycle of Hair Growth - The grown hair does not grow continuously, and after a certain period of time, it falls off the scalp and new hair grows back. This phenomenon is called the mother cycle. It is divided into growth period, degeneration period, rest period, and development period.

Cycle of Hair Growth

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Cycle of Hair Growth The grown hair does not grow continuously, and after a certain period of time, it falls off the scalp and new hair grows back. This phenomenon is called the mother cycle. It is divided into a growth period, degeneration period, rest period, and development period. 1. Physiological structure of hair 1) …

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