Body: Scalp hair grows 0.3-0.4 mm per day, about 15 cm per ye…

Question

Did you know? Scalp hair grows 0.3-0.4 mm per day, about 15 cm per year — but only during the "anagen phase" (2-7 years). Theoretically a person could grow hair 1+ metre long, but most people cut it before the telogen phase begins.

Accepted Answer

Scalp hair grows 0.3-0.4 mm per day, about 15 cm per year — but only during the "anagen phase" (2-7 years). Theoretically a person could grow hair 1+ metre long, but most people cut it before the telogen phase begins.

Hoofdhaar groeit 0,3-0,4 mm per dag, ongeveer 15 cm per jaar — maar slechts gedurende de "anagen-fase" (2-7 jaar). Theoretisch kan een persoon haar van 1+ meter laten groeien, maar de meeste mensen kappen voor de telogen-fase begint.

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