FactorsAffectingHairGrowth

Health

How Much Does Hair Grow in a Year?

Understanding the Hair Growth Cycle Hair growth occurs in a cycle that consists of three phases: anagen, catagen, and telogen. The anagen phase is the active growth phase and can last between two to seven years. During this phase, hair grows approximately 1/2 inch per month, or 6 inches per year, on average. The catagen phase is a transitional phase…