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, ...

Curls may be why humans have such big brains. A new study—involving a mannequin wearing wigs in a wind tunnel—reveals how. Just why humans have hair on their heads is a long-standing question that few ...

Research provides the first-ever high-resolution, cell-resolved map of the human scalp during early aging. In A Nutshell Hair follicle aging starts earlier than you might think: molecular changes ...

Boho braids are a trendy protective style. Our hairstylist-approved guide covers key maintenance steps for keeping both ...