Hair & Scalp SciencesPregunta 61 de 100
The active growing phase of the hair growth cycle is called:
a.Telogen
b.Anagen
c.Catagen
d.Keratin
Explicación
Anagen is the phase of active growth during which the hair is being produced, and it can last several years. Catagen is the brief transition phase and telogen is the resting/shedding phase.
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