1 citations
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February 2003 UV radiation causes significant protein loss and color changes in hair, especially blond hair.
The document concludes that scientists created various steroids with different properties, including a more effective semi-synthetic vitamin D.
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.
6 citations
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January 1998 in “Journal of Investigative Dermatology” Estrogen receptors may not affect mouse hair growth as previously thought, and oxybenzone in sunscreen is stable in sunlight.
66 citations
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September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.