The Biological Factors That Promote Hair Growth

A hirsute TED-Ed lesson written by Maksim Pinkus and animated by Matt Partridge explains the biological factors that promote hair growth, how long it can grow, and how it varies over time.

Dig into what biological factors influence hair growth, how it can change as you age, and how to take control of your scalp.

Lori Dorn
Lori Dorn

Lori is a Laughing Squid Contributing Editor based in New York City who has been writing blog posts for over a decade. She also enjoys making jewelry, playing guitar, taking photos and mixing craft cocktails.