Kentucky Cosmetology State Practice Exam 2026 - Free Cosmetology Practice Questions and Study Guide

The average growth rate of human hair is approximately half an inch per month. This rate can vary slightly among individuals due to a range of factors including genetics, health, and age. Understanding this growth rate is essential for cosmetologists as it affects how frequently clients may need haircuts or color touch-ups, and it helps in planning hair treatments and styling techniques. The half inch per month figure allows professionals to set realistic expectations for clients regarding hair growth and styling routines.