A man's relationship with his hair is often bittersweet. On one hand, we're keen to show off the mane we tend to every day. On the other, there's the quiet worry that, somewhere down the line, we ...

Hair grows about half an inch per month on average — roughly 6 inches per year. Growth rate can vary by factors like genetics, hormones, diet, stress, and age. Hair growth rate by age can be slower ...