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What is a hair cuticle?

User Bigdaveyl
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Final answer:

A hair cuticle is the outermost layer of a hair strand. It is composed of scale-like cells called cuticle cells that form a protective barrier around the inner layers of the hair. The cuticle plays a crucial role in maintaining the health and appearance of the hair.

Step-by-step explanation:

A hair cuticle is the outermost layer of a hair strand

The hair cuticle is composed of scale-like cells called cuticle cells. These cells overlap and form a protective barrier around the inner layers of the hair. The cuticle plays a crucial role in maintaining the health and appearance of the hair by preventing moisture loss, protecting the cortex, and providing a smooth surface for light to reflect off, giving the hair its shine.

For example, imagine the hair cuticle as roof shingles, with each cuticle cell overlapping and forming a protective layer that prevents damage to the inner layers of the hair.

User Amitopenwriteup
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