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The keratin made by the hair follicle cells makes long fibers. The cells, growing just under the scalp, eventually die, leaving the keratin behind. This keratin, combined with the keratin left by ...
Fin vs Fin on MSN1mon
Collagen vs. Biotin vs. Keratin: Understanding the Differences for Hair Loss and RegrowthCollagen supports hair structure and scalp health, while keratin repairs hair strands and enhances hair smoothness and shine.
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