Author/Authors :
Yazdanparast, Taraneh Telemedicine Research Center - National Research Institute of Tuberculosis and Lung Diseases - Shahid Beheshti University of Medical Sciences, Tehran, Iran , Hassanzadeh, Hournaz Pharmaceutical, Cosmeceutical and Hygienic Clinical Evaluation Laboratory - Center for Research and Training in Skin Diseases and Leprosy - Tehran University of Medical Sciences, Iran , mehdi, Mohammad Chronic Respiratory Diseases Research Center - Shahid Beheshti University of Medical Sciences - Air Pollution, Health and Occupational Diseases Research Unit, Tehran, Iran , Naimian, Amirkia Pharmaceutical, Cosmeceutical and Hygienic Clinical Evaluation Laboratory - Center for Research and Training in Skin Diseases and Leprosy - Tehran University of Medical Sciences, Iran , Karimi, Maryam Pharmaceutical, Cosmeceutical and Hygienic Clinical Evaluation Laboratory - Center for Research and Training in Skin Diseases and Leprosy - Tehran University of Medical Sciences, Iran , Roozbahani, Rahim Clinical Tuberculosis and Epidemiology Research Center - Shahid Beheshti University of Medical Sciences, Tehran, Iran , Firooz, Alireza Pharmaceutical, Cosmeceutical and Hygienic Clinical Evaluation Laboratory - Center for Research and Training in Skin Diseases and Leprosy - Tehran University of Medical Sciences, Iran
Abstract :
Background: Tobacco smoke is toxic for cells and could be a damaging factor to
skin. The purpose of this study was to compare the biophysical properties of
skin in smokers and non-smokers.
Materials and Methods: The study population consisted of 28 current smokers
and 24 non-smokers. The hydration of the stratum corneum, trans epidermal
water loss, pH, erythema, melanin content, sebum, friction and elasticity
parameters (R0, R2, R5) of skin, epidermis and dermis thickness and echodensity were measured on middle forehead, right cheek and right inner arm of
participants. Also volume, surface area and depth of right nasolabial folds were
measured. The mean of these values in smokers were compared with nonsmokers by independent sample T- test.
Results: Gross elasticity was significantly lower in smokers on forehead (p=
0.048). Thickness of epidermis was higher in smokers in all measured sites but
the differences were not statistically significant. Thickness of dermis was higher
in smokers in all measured sites too, but only the difference on cheek was
statistically significant (p= 0.009). Density of epidermis was lower in smokers in
all measured sites, but only the difference on forehead was statistically
significant (p= 0.019). Density of dermis was lower in smokers in all measured
sites, but only the difference on arm was statistically significant (p= 0.028).
Volume and area of nasolabial folds were higher in smokers, but only the
difference of area was statistically significant (p = 0.031).
Conclusion: Tobacco smoking could affect the biophysical parameters of skin,
especially thickness and density of dermis and epidermis and nasolabial folds.
Keywords :
Biophysical properties , Skin , Smokers , Non-smokers
