Straight hair is a type of hair texture characterized by its smooth and sleek appearance. It typically lies flat against the scalp and does not have any natural curls or waves. Straight hair can vary in thickness, from fine to coarse, and can be found in various colors and lengths. Many people with straight hair find it easy to manage and style. It often reflects light well, giving it a shiny look. Products like hair serum and heat protectant can help maintain its health and enhance its natural shine, making it a popular choice for various hairstyles.