January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
25 citations
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March 2021 in “Australasian Journal of Dermatology” Ustekinumab successfully treated a man's resistant skin condition when other treatments failed.
532 citations
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August 2011 in “Journal of the American Academy of Dermatology” Vitiligo is a skin condition causing white spots, more common in women, often starts before age 20, and can affect mental health.
October 2001 in “WORLD SCIENTIFIC eBooks” Many substances, including chemicals and metals, can cause skin reactions; careful handling and identification of allergens are crucial to prevent dermatitis.