Dry and damaged hair isn't just a cosmetic concern; it’s a sign that something is amiss in the structure of your hair. Whether it's the result of environmental factors, styling habits, or underlying health issues, understanding the science behind why hair becomes dry and damaged is the first step toward restoring its health. In this article, we'll explore the scientific causes of dry and damaged hair and offer effective treatments based on this understanding. Get ready to dive deep into the world of hair biology! The Structure of Hair: What Makes It Strong and Healthy? To comprehend why hair becomes dry and damaged, it’s essential to understand its basic structure. Each strand of hair is composed of three layers: Cortex: The innermost layer, which provides strength, color, and texture to the hair. Medulla: The central core, often absent in fine hair, which contributes to the thickness and volume of the hair. Cuticle: The outermost layer