Hair growth is the natural process by which new hair strands emerge from the scalp, usually measuring about half an inch per month. "Hair growth in a year" refers to the cumulative growth over a 12-month period, resulting in an average length of 6 inches.
Maintaining healthy hair growth is crucial for personal appearance, self-esteem, and overall well-being. It benefits include preventing hair loss, enhancing hair quality, and promoting overall hair health. Historically, ancient civilizations recognized the significance of hair growth, using various oils, herbs, and rituals to promote it.