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, ...

Medically reviewed by Brendan Camp, MD With high porosity hair, cuticles are lifted or have voids that allow them to absorb materials easily.You can use a spray, float, or slide test to determine your ...