Your hair type—whether straight, wavy, or curly—is primarily determined by genetics, specifically the shape of your hair follicle—a round follicle produces straight hair, while a curved or oval one ...

If you’re not sure if your hair is wavy or curly, wait for it to be wet and if it forms coils around your finger then it’s curly. You also may be prone to more frizz than some other hair types as wavy ...