Hair is a protein filament that grows from follicles found in the dermis. Hair is one of the defining characteristics of mammals. The human body, apart from areas of glabrous skin, is covered in …

1 day ago · A nutrient-rich diet may help your hair grow, especially if you have a vitamin deficiency. 1 Foods high in protein, omega-3 fatty acids, iron, fat-soluble vitamins, and B-complex vitamins—such …

Nov 6, 2025 · The human hair is formed by divisions of cells at the base of the follicle. As the cells are pushed upward from the follicle’s base, they become keratinized (hardened) and undergo pigmentation.

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Hair follicles originate in the epidermis and have many different parts. Hair is a keratinous filament growing out of the epidermis. It is primarily made of dead, keratinized cells. Strands of hair originate …

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