The development of hair was of central importance for the evolution of mammals and thus also of humans. However, the evolutionary origin of the genetic program of hair was previously unknown.

Hair type refers to the natural pattern and texture of your hair. Many people classify hair based on a modified version of the Andre Walker Hair Typing System, developed in the 1990s by Oprah ...

What Are the Different Hair Types? Hair comes in four main types: straight, wavy, curly, and coily. Each hair type has its own unique characteristics. The four types are broken down into subtypes (A, ...

What products should you use for thick hair vs. thin hair? Shop the best expert-recommended and editor-tested products for ...

Hair is more than just what covers your head. It can shape your self-image, help you express your personality, and even showcase your culture. Understanding hair types is key to giving your mane the ...