7 citations,
January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
March 2007 in “International Journal of Cosmetic Science” Hair with more melanin resists weather damage better.
December 2021 in “Cosmetics” 66 citations,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
27 citations,
January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.