Each strand of hair contains thousands of dead cells. Consumers spend millions of dollars each year on shampoo hoping to improve the looks and health of their hair. Hair is a part of your body that is used as a protection. It is made out of dead cells. Hair is used as a protection for the eyes, ears, and nose so that there is no bad matter that can reach the inside organs.
Hair has three main parts.
The Medulla, which is the center of the strand. Second is the Cortex. The Cortex is the thickest layer in the strand of hair. The outer layer is the Cuticle. The shaft is the part of the hair or skin that comes above the scalp and is deprived of nourishment.