41 citations
,
June 2010 in “Clinics in Dermatology” Smoking harms skin health, causing slower wound healing, more wrinkles, and worsening some skin conditions, but may protect against certain others.
7 citations
,
January 2010 in “Pharmacognosy Research” The tobacco leaf extract may help hair grow and could treat hair loss.
4 citations
,
January 2015 in “Dermatology Online Journal” Smoking can cause yellowing of upper lip hair.
3 citations
,
October 2021 in “Cureus” Smoking can cause yellow discoloration of upper lip hair and nails.