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    GlossaryHydroxyl Radicals

    highly reactive molecules damaging cells and DNA

    Hydroxyl radicals (OH radicals) are highly reactive molecules that contain one oxygen and one hydrogen atom. They are often formed during the breakdown of water molecules by ultraviolet light or through certain chemical reactions. In biological systems, hydroxyl radicals can cause significant damage to cells, proteins, and DNA, contributing to aging and various diseases, including those affecting hair health and potentially leading to conditions like alopecia.

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