11 citations
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April 1991 in “Journal of Veterinary Diagnostic Investigation” Shorthorn calves in Missouri experienced photosensitization, causing skin issues and liver damage, but they eventually recovered.
May 2026 in “ACTA SCIENTIAE VETERINARIAE” Early diagnosis and intervention can prevent liver-related skin issues in calves on certain pastures.
May 2008 in “The International Conference on Mathematics and Engineering Physics” Nanoparticles can increase light sensitivity in oil-producing skin glands.
33 citations
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January 2004 in “Photochemistry and Photobiology” Superoxide dismutase (SOD) can prevent hair graying in mice.
23 citations
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January 2001 in “International journal of toxicology” St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.