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This review examines hair cosmetics, including shampoos and conditioners, for their formulations and effects, but reports no new clinical findings; it emphasizes the importance of dermatologist knowledge in treating diverse hair conditions.

In this study, UVB exposure was found to alter certain chemical properties of the hair shaft, such as keratin components and water content, without significantly affecting its physical morphology.

This chapter reviews nanotechnology in cosmetics, detailing various formulations, performance assessment methods, and evolving regulations, while discussing safety, stability, and effectiveness concerns; it reports no new experimental results.

This review highlights Stephen Rothman's influential role in transforming dermatology into a rigorous scientific discipline but does not report new clinical research outcomes.

Isotretinoin is a preferred treatment for severe acne, often leading to long-term improvement, but requires careful monitoring due to potential side effects.

This study found that hair with lower levels of keratin associated proteins reduced the foreign body response in mouse subcutaneous implant tests compared to hair with higher keratin levels.

In this study, 13-cis-5S*,8S*-epidioxy-5,8-dihydroretinoic acid was found to be significantly more cytotoxic to cancer cell lines than other retinoic acid analogs evaluated.

This study explores the correlation between sirtuins' expression, histone deacetylation, and redox status in young and old monozygotic twins to understand their role in age-related mechanisms.

This study found that Nrf2 activation protected keratinocytes from UVB damage but also caused thickening, inflammation, and cysts, limiting its therapeutic potential for skin protection.

This review discusses the use of natural products in cosmetic preparations for skin and hair care, but reports no new research results.

This study found that maternal PPARγ is essential for preventing the production of inflammatory lipids in mouse milk, which can otherwise cause inflammation, alopecia, and growth retardation in nursing pups.

This article discusses the minimal research on hair growth physiology and highlights Dr. Masumi Inaba's contributions to understanding androgenetic alopecia, but reports no new experimental results.

This study investigated the relationship between lichen planus and dyslipidemia but did not report any clinical findings.

In this study, researchers found that human scalp hair, particularly when unwashed, can significantly react with ozone, reducing personal ozone exposure and increasing exposure to volatile reaction products.

This review highlights that while dandruff affects over 50% of humans and cannot be fully eradicated, it can be controlled through chemical treatments that may cause side effects or herbal remedies such as Neem and Tea tree oil, which have longstanding use in hair care.

This review discusses age-related changes in scalp skin and their potential effects on hair follicle aging, but reports no new clinical results, calling for further investigation.

This review discusses the evolution of alopecia areata treatments towards more targeted therapies and reports no new clinical results, emphasizing cooperation between clinicians and scientists in understanding the disease's pathophysiology.

This article discusses the importance of oral and maxillofacial surgeons understanding the pathogenesis and treatment of acne vulgaris, but it presents no new research findings.

This study found that hair from ovarian teratomas shares similar chemical composition and morphology with scalp hair, but differs in physical properties and cysteic acid bands.

This review discusses the current role and challenges of compounding in dermatology without presenting new research results; the authors suggest its resurgence in practice despite pharmaceutical alternatives.

This review explores the potential of herbal therapies and modern delivery methods for managing premature hair greying, highlighting promising plant-based treatments and emphasizing the need for clinical trials to validate their effectiveness.

In this study, researchers developed a polyherbal hair growth oil using botanical substances and base oils like coconut and castor oil, finding it to be stable, non-irritating, and suggesting potential hair-growing properties through mechanisms such as scalp blood flow improvement and anti-inflammatory effects.

This source describes how androgenic alopecia, or pattern hair loss, affects about 70% of men and is linked to factors like stress, hormonal imbalances, and lifestyle issues, which can also impact psychological well-being and potentially contribute to severe health conditions such as heart disease.

In this review paper, the authors explored the composition and role of lipids in human hair, highlighting their importance for hair texture, moisture retention, and tensile strength, while noting that the understanding of hair lipids' functions remains controversial and requires further research.

This review discusses the protective and stress-buffering roles of melatonin in skin functions and structures but does not present new clinical findings.

This review examines the role of retinoic acid synthesis in hair follicles and sebaceous glands, focusing on its localization and function during normal and disease states, but reports no new results.

This review discusses the potential of cell-derived nanovesicles as innovative treatment strategies for hair growth and provides no new clinical results; the authors emphasize the need for further understanding of their mechanisms.

This article discusses the complex biological functions and social significance of hair follicles and reports no new research findings, emphasizing their role in health, disease, and a substantial beauty industry.

This source reviews the role of exosomes in regenerative medicine, highlighting their ability to mediate cell communication and transport biomolecules to enhance or impair biological functions, with potential applications in tissue repair and regeneration.

This study observed that among individuals with scalp seborrhoea, the scalp showed higher sebum levels, lower hydration, and compromised barrier function compared to other areas, and that a single shampoo application containing piroctone olamine significantly reduced sebum and oxidative stress markers.