The 1A hair type is the straightest of all hair textures. It has no bends or waves in its natural state and can sometimes be difficult to style because of its fine, straight nature. If you have straight hair, you might be wondering if it’s type A, B, or C and how you can tell which is which. In this article, we define 1A hair, compare it with other hair types in this category, and discuss its advantages and the styles and products you can use to make this hair type look its best.