12 citations
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May 2019 in “Archives of Plastic Surgery” Natural lips are perceived as more attractive, successful, and healthy than augmented lips.
9 citations
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March 2019 in “Journal of cosmetic dermatology” Different treatments can make an aging upper lip look younger and better proportioned.
3 citations
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October 2021 in “Cureus” Smoking can cause yellow discoloration of upper lip hair and nails.
January 2016 in “Japanese Journal of Oral & Maxillofacial Surgery” A benign hair follicle tumor caused upper lip swelling, was removed, and did not return.
10 citations
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August 1998 in “Journal of Investigative Dermatology”