What Is Hair? Hair grows everywhere on the human skin except on places such as the palms of our hands, the soles of our feet, our eyelids, and belly buttons, but many hair strands are so fine they ...

Humans aren't the only mammals with sparse hair. Elephants, rhinos and naked mole rats also have very little hair. It's true for some marine mammals, such as whales and dolphins, too.

But as the wig market has expanded, so has the confusion: synthetic wigs, human hair blends, and 100% human hair…what’s really worth investing in long-term? Let’s break it all down.

Necessity is the mother of inventions. That’s apparently the best way to describe the measures most women now take to look ...