What is a hair follicle? Learn hair anatomy, including hair follicle functions, possible related conditions, and habits to help strengthen follicles.
Discover how many hairs are on the average human head, how hair color affects hair density, and fun facts about hair growth cycles and shedding.
Terminal hair shields your skin, keeps you warm, and helps you sense the world around you. Learn more about this type of hair in our detailed guide.
Noticed a bulb at the end of a hair strand? You’re probably looking at a club hair. Our guide explains what club hairs are and how to keep your hair healthy.
