Bioactive Nutritional Macromolecules Supporting Hair Structure, Density, and Growth: A Comprehensive Review

    March 2026 in “ Cosmetics ”
    Johannes‐Paul Fladerer, Selina Fladerer-Grollitsch
    Studysummary In this comprehensive review, researchers reported that macromolecules like type I collagen, keratin, and ceramides enhance hair health by improving follicular function and increasing hair density, strength, shine, and resilience, as shown in various in vitro, animal, and human studies.
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