Dealing with dry and damaged hair can be more than just an aesthetic concern; it’s a sign that your hair's structure is compromised. But what if we told you that understanding the science behind hair health could be the key to effectively reviving those damaged locks? In this article, we’ll dive into the biology of hair, explore what causes damage, and discuss scientifically-backed methods to restore your hair to its former glory. Ready to get a little nerdy with your hair care? Let’s begin! Understanding Hair Structure: The Basics To truly understand how to repair dry and damaged hair, you first need to know what your hair is made of: Cortex: This is the middle layer of the hair shaft that provides strength and contains melanin, the pigment that gives your hair its color. Cuticle: The outermost layer, the cuticle, is made up of overlapping cells that protect the inner layers of the hair. When the cuticle is damaged, it can no longer retain moisture