Category: Fitness

The stages of hair growth Hair grows in three stages, and each strand of hair follows its own timeline: Anagen. The active growth phase of hair lasts 3–10 years. Catagen. The transition phase where hair stops growing lasts 2–3 weeks. Telogen. The resting phase where hair falls out lasts 3–4 months. At any given time, the average scalp has 90 percentTrusted Source of the hair follicles in the anagen phase, about 1 percent in the catagen phase, and about 9 percent in the telogen phase. The last group accounts for the approximately 100 to 150 strands of hair that fall out every day.