Some people seem to grow long, luscious locks effortlessly. Others, like me, dream of having hair that cascades past their ...

But a hair strand with a little clump or white bulb at the end might make you do a double take. Your next move might be to ...

The cells in our hair bulb produce a little bit of hydrogen peroxide, which is a metabolic byproduct, and typically there's an enzyme called catalase that breaks this down to water and oxygen.