So, you want longer hair. And not just longer hair—you've got mermaid dreams. You want waist-length hair. You know it won't ...

Can you speed up how fast your hair grows ... off less hair in the long run, so indirectly you're speeding things up! Like this article? Sign up to our newsletter to get more articles like ...

Medically reviewed by Marisa Garshick, MD On average, the hair on your head grows about 6 inches a year. That doesn't vary ...