Curly hair is hair that has a spiral or S-shaped pattern. It can be fine, medium, or coarse, and it can also be dry or oily. Curly hair is often described as being versatile and easy to style. It can be worn straight, wavy, or curly, depending on how it is styled. Curly hair is also relatively low-maintenance, but it is important to use the right products and techniques to keep it looking its best.