Guaraná extract effectively reduces oiliness in skin and hair without harming skin health.
2 citations
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February 2000 in “International Journal of Dermatology” Hepatitis C and alcohol abuse may lead to porphyria cutanea tarda.
19 citations
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December 1999 in “International Journal of Dermatology” Dihydroxyacetone in self-tanning lotion helped reduce sun-related skin issues in a woman with variegate porphyria.
September 2014 in “Emergency Medicine News” The man's skin condition improved with sun protection and topical steroids, but UV exposure still caused flare-ups.
January 2011 in “Journal of the American Academy of Dermatology” Finasteride may cause pseudoporphyria, a blistering skin condition.