Understanding the Hair Growth Cycle and Age-Related Changes

hair loss and thin.

Hair growth follows a natural, predictable cycle composed of three distinct phases: anagen (growth), catagen (transition), and telogen (rest and shedding). At any given time, approximately 85–90% of scalp hairs are in the active growth phase. After several years, each follicle transitions out of growth, eventually shedding and beginning the cycle again. As we age, […]