4 citations
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January 2015 in “Dermatology Online Journal” Smoking can cause yellowing of upper lip hair.
3 citations
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October 2021 in “Cureus” Smoking can cause yellow discoloration of upper lip hair and nails.
March 2026 in “Journal of Surgical Case Reports” Smoking and long surgeries can cause severe complications like tissue death after hair transplants.
4 citations
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January 2016 in “Dermatology online journal” Using bacitracin zinc and selenium sulfide one after the other can temporarily turn white hair yellow.
August 2025 in “Tobacco Induced Diseases” Smoking harms skin quality and health, which may encourage quitting.