Your hair consists of three layers - cuticle, cortex, and medulla. Its overall health depends on your daily hair care regimen as well as the hair’s physiological traits.
When a healthy hair strand is observed under a microscope, the three layers lay smoothly over each other. The cortex and medulla are protected by a thick and undamaged layer of cuticle. This is why healthy hair looks shiny and dense with color.
Normal Scalp
If you have a normal scalp, your hair tends to have the characteristics of
normal hair.
Moderate amount of moisture
Naturally conditioned, better volume and sheen
Healthy water inlet and outlet
Ideal sebum production
Moderate resistance to breakage and damage
Healthy Hair
To understand hair damage, you must first understand the anatomy of healthy hair. When the hair is healthy, its cuticular layer lies flat on the cortex (core of the hair). Due to this, the hair looks shiny and smooth.
When a hair strand is damaged, its cuticular layer is destroyed which leaves the cortex vulnerable to breakage, dryness, dullness, and frizz.
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