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  1. Hair - Wikipedia

    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 …

  2. The Biology, Structure, and Function of Hair - Verywell Health

    Dec 26, 2025 · Hair is made up of two separate structures. The hair follicle is the part below the skin, and the hair shaft is what you see above your skin. The hair follicle is where your hair …

  3. Hair | Structure, Growth & Function | Britannica

    Dec 19, 2025 · Human beings have several different types of hairs. The first to develop is the lanugo, a layer of downy, slender hairs that begin growing in the third or fourth month of fetal …

  4. Hair Trends, Haircuts, and Hair-Care Recommendations and ...

    The top hair trends, hair-care products, styling tips, and haircuts and colors for every texture, curl type, and length, as reported by the experts at Allure Magazine.

  5. Hair Types: Straight, Wavy, Curly, and Coily - WebMD

    May 1, 2025 · Hair comes in four main types: straight, wavy, curly, and coily. Each hair type has its own unique characteristics. The four types are broken down into subtypes (A, B, C) based …

  6. 20 best hair growth products for thinning hair | CNN Underscored

    9 hours ago · From minoxidil to rosemary oil, these are the best hair growth serums, shampoos and products for maximizing hair growth, according to expert dermatologists.

  7. Hair | Biology for Majors II - Lumen Learning

    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 …