1 citations
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November 2019 in “Applied sciences” This study used a 3D simulation to show that human hair provides varying levels of UV protection depending on head orientation and hair alignment, highlighting hair's role in scalp UV protection, especially for those with alopecia.
16 citations
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February 2015 in “Photochemistry and Photobiology” The researchers reported that hair offers a measurable protective barrier against UVB and UVA radiation, which increases with hair density, thickness, and melanin content, suggesting a role in skin cancer prevention.
2 citations
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November 2018 in “International Journal of Cosmetic Science” This study proposes a simple fluorescence method to evaluate hair damage and protection, suggesting that emissive properties of hair can aid in substantiating cosmetic claims.
May 2026 in “Materials Today Bio” This study reported that a bioderived melanoidin/tannic acid nanocomplex forms a durable, antioxidant-active coating on hair fibers, providing enhanced UV protection and improving tensile resilience by suppressing oxidative stress and activating endogenous antioxidant pathways.
9 citations
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September 2018 in “Journal of Photochemistry and Photobiology B-biology” This study demonstrated that combining l-cystine and thiamin in a formulation may protect against UV-induced damage in growth-limited human epidermal keratinocytes in vitro.