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, ...

We walk through why hair varies so much across all humans. Have you ever wondered why your hair grows out of your scalp the way it does? Maybe you've also wondered why our body hair isn't as dense as ...

Collagen supports hair structure and scalp health, while keratin repairs hair strands and enhances hair smoothness and shine. Biotin enhances keratin production for stronger, thicker hair. For ...

Whether your hair type is coily, curly, wavy, straight, or somewhere in between—your strands are beautiful. But, being able to answer the question: What is my hair type? is invaluable for not only ...