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The three layers of every hair strand are the cuticle, cortex, and medulla. The cuticle is the outermost layer, consisting of overlapping scale-like cells that protect the hair. The cortex is the middle layer, providing strength, color, and texture, while the medulla is the innermost layer, which may be absent in some hair types and is thought to have a role in the hair's overall structure.

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AnswerBot

4d ago

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