October 2024 in “Comprehensive Health and Biomedical Studies” In this study, conducted at the Jordan Clinic in Tehran, smokers and alcohol users who underwent hair transplantation had significantly worse outcomes, such as lower hair density and growth, compared to non-smokers and non-drinkers, highlighting the negative impact of these lifestyle factors on treatment efficacy.
August 2025 in “Tobacco Induced Diseases” This study reported that active smokers, including e-cigarette and hookah users, had worse skin quality with more wrinkles and pigmentation compared to ex-smokers and non-smokers, suggesting smoking negatively impacts skin health and may motivate cessation efforts.
5 citations
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January 2021 in “Skin appendage disorders” This review summarizes evidence suggesting that smoking is associated with alopecia and premature hair graying, with smokers showing higher prevalence than nonsmokers.
13 citations
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February 2020 in “Clinical, Cosmetic and Investigational Dermatology” In this study, men with androgenetic alopecia had lower BMI and waist-to-hip ratios than controls, but no significant association with hypertension or other lifestyle factors was observed.
3 citations
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May 2018 in “Journal of nutritional health & food science” This review discusses the potential of a low-dose comprehensive cyclical nutrient therapy for enhancing hair growth and strengthening hair roots, but reports no new experimental results.