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This study suggests that corkscrew hairs in tinea capitis result from internal hair damage by Trichophyton violaceum and external resistance from scalp scales.

This study found that botulinum toxin type A significantly reduced skin flap necrosis in rats exposed to cigarette smoke, suggesting it may help improve flap viability in smokers.

In this study, mouse skin exposed to cigarette smoke condensate exhibited increased epidermal thickness and ODC expression, with some changes persisting after exposure ended, suggesting potential for tumor promotion and measurement discrimination.

This study found that the prevalence of androgenetic alopecia was significantly higher among smokers compared to nonsmokers, though the severity wasn't linked to smoking intensity.

This study found that smoking may lead to earlier onset of androgenetic alopecia in Nigerian subjects, potentially mediated by alterations in serum trace elements.

This study found that the small molecule honokiol may protect against inflammation, collagen breakdown, and cell damage caused by cigarette smoke in skin cells cultured in vitro.

In this review, researchers explored how air pollutants increase oxidative stress and inflammation in human skin, affect vitamin D synthesis, and interact with the skin microbiota, also discussing AhR/Nrf2 as a potential target for treating pollution-related skin conditions.

This study concluded that alcohol and tobacco products harm the skin by disrupting microcirculation, impairing the epidermal barrier, slowing wound healing, and accelerating the aging process.

This meta-analysis utilized genome-wide association data to explore the genetic traits related to perceived youthfulness across different sex groups in the UK Biobank, incorporating factors like facial aging and lifestyle habits, but the abstract does not report specific results.

This review outlines the factors affecting skin greasiness and sebum production, highlighting measurement challenges but reports no new clinical findings; further research may guide sebosuppressive treatments for acne.

This article reviews factors influencing hair aging and available treatments like minoxidil and finasteride for androgenetic alopecia but reports no new clinical results.

This review discusses the impact of air pollution on skin health and suggests that targeting oxidative stress products like HNE could be a new strategy for treating related skin conditions.

This review discusses the role of oxidative stress and reactive oxygen species in the development of androgenic alopecia and reports no new clinical findings.

This study found that a combination of botanical extracts from Pisum sativum and Salvia hispanica reduced oxidative damage, re-balanced scalp oiliness, and improved scalp hydration and barrier function after pollution exposure.

Telogen effluvium is a condition where hair falls out due to various factors like illness, stress, or nutrient deficiency.

This review discusses the links between particulate matter exposure and skin diseases, highlighting oxidative stress and inflammation as key mechanisms; it reports no new clinical results.

This study describes a case of a 35-year-old woman who developed symptoms of hyperandrogenism and disrupted steroidogenesis due to chronic use of electronic cigarettes containing compounds similar to etomidate, despite no genetic mutation indicating 11β-hydroxylase deficiency.

In this study, exposure to e-cigarette vapor was reported to trigger the release of proinflammatory cytokines IL-6, IL-8, and IL-10, which could contribute to dermatological issues.

This literature review addresses generalized juvenile demodicosis in dogs, describing a case in a 10-month-old Dachshund where corticosteroid treatment worsened the condition, leading to severe pyoderma, intense itching, and widespread hair loss; it reports no new clinical findings.

This study suggests that cigarette smoking is a significant risk factor for hidradenitis suppurativa in Polish patients, but other potential contributors like obesity and diabetes showed no strong associations.

This review discusses the negative effects of cigarette smoking on various skin conditions and emphasizes the importance of dermatologists advising patients to quit smoking, but it presents no new research findings.

This study found that Alpha Lipoic Acid may help reduce cigarette smoke-induced skin damage in rats by improving collagen structure and reducing markers of oxidative stress.

This study found that oral administration of l-cystine with vitamin B6 effectively prevents environmental cigarette smoke-induced alopecia in mice by reducing hair bulb cell apoptosis.

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.

This study observed that Taiwanese men aged 40–91 who smoked 20 or more cigarettes daily had a higher incidence of moderate to severe androgenetic alopecia.

This case study reported that endotracheal hair growth following tracheal restructuring with an autograft was associated with cigarette smoking, and was ultimately stopped by argon plasma laser-coagulation and smoking cessation.

This meta-analysis found that smoking is significantly associated with increased odds of developing and progressing androgenetic alopecia, with higher risks observed in men smoking at least 10 cigarettes daily.

Environmental factors and exposure to toxins may contribute to male infertility by affecting sperm and hormone function.

In this study, smoking status and intensity were significantly associated with moderate or severe androgenetic alopecia among Asian men, after accounting for age and family history.

In this study, 21.1% of participants had actinic keratoses, with higher prevalence in men, and certain genetic and photoaging factors were positively associated with AK, though smoking was linked to reduced risk.