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Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.

This review explores how hair dyes and perms can damage hair structure and notes that while some adverse outcomes like skin irritation and allergic reactions have been reported, evidence from human studies remains inconsistent regarding potential risks, including cancer.

This review discusses how nanotechnology can enhance the efficacy of hair care products by improving the delivery and benefits of active substances and offers insights into potential risks.

This study found that Ift20 is essential for hair follicle stem cell identity and hair regrowth, and it regulates keratinocyte migration during wound healing through focal adhesion integrin recycling, independently of ciliogenesis.

This review summarizes late-breaking abstracts from the American Society for Laser Medicine and Surgery, 2018, and reports no new clinical findings.

This chapter reviews patchy hair loss due to skin disease, nail disorders related to chronic trauma, and treatments for small carcinomas, but it reports no new clinical findings.

This article reviews common causes of hair loss and hair excess and discusses their management in primary care settings, but it reports no new clinical results.

This chapter provides an overview of the complex chemical and physical structure of the hair surface, detailing how factors like ethnicity, environmental stress, and cosmetic treatments can alter its properties and influence the adhesion of hair care products.

Twisting hair weakens it, but strength can be recovered at low twist levels.

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 of Danioninae species, researchers reported that the presence of breeding tubercles on the pectoral fins is conserved in certain species and linked to local androgen conversion, with steroid 5-α-reductase playing a crucial role in their development.

This Delphi consensus study provides expert insights into hair aging, aims to enhance diagnostic precision and management of age-related hair changes, and identifies possible new therapeutic targets.

This study observed that treating human hair with NaOH led to partially removed cuticles, resulting in better fiber cohesion and mechanical properties similar to wool, unlike bleach or formic acid treatments, which weakened the fibers.

This study found that Ca²⁺ signaling and peptidylarginine deiminase enzymes play a crucial role in activating neural stem cells in response to injury in zebrafish, suggesting potential therapeutic targets for CNS injuries and cancer.

This study developed a novel LC-ESI-MS/MS method to quantify Minoxidil in pharmaceutical forms, finding it precise, accurate, and robust. It withstands excipient and degradant interference, although Minoxidil degrades under some stress conditions but remains stable thermally.

In this study, researchers explored the potential allergenicity and harmful effects of hair dyes, noting that adverse effects such as sensitization and potential carcinogenicity are not inevitable and can vary based on individual physiological differences.

In this literature review, potential health risks of toxic chemicals commonly found in cosmetic products were linked to issues such as cancer, reproductive abnormalities, and skin diseases, highlighting concerns over ingredients like talc, parabens, and phthalates.

This study reported the development of a scalp serum containing Beta-Sitosterol and nutrient-rich oils, showing stable physicochemical properties, suggesting potential for promoting hair growth and scalp health, though further clinical testing in humans is needed to confirm effectiveness.

In this study, researchers developed and assessed two polyherbal hair tonic formulations, finding that Hair Tonic A containing 10% white tea extract improved hair thickness, manageability, and anti-frizz properties, particularly for blonde and black hair, while demonstrating greater stability compared to Hair Tonic B.

This paper reviews various techniques for measuring the physical and mechanical properties of human hair fibers, emphasizing their importance in developing effective cosmetic products.

This study developed a method to measure local steroid hormone concentrations in hair, providing new insights into hormone dynamics associated with androgenetic alopecia.

This study used a novel fluorescent tagging method in mice to observe collagen IV dynamics during hair follicle development, revealing that alterations in basement membrane turnover can influence epithelial progenitor cell behavior and organ morphology by affecting cell proliferation and movement.

This study found that a mixed extract of N. jatamansi, O. basilicum, and C. sativus, particularly when extracted via steaming and ultrasonic methods, increased antioxidant content, stimulated melanin production for black hair, and promoted hair growth in mouse models, while maintaining high cell viability.

This review details the causes, symptoms, and treatments for dandruff, emphasizing herbal ingredients with anti-dandruff properties used in shampoos and exploring their antifungal and anti-inflammatory mechanisms. It highlights dandruff's exploitation by personal care companies due to the lack of medical interventions.

This study found that microplastics on the Lebanese Mediterranean coast transport various organic and inorganic pollutants, posing threats to marine organisms and potentially human health.

This study found that all examined biomarkers and clinical features were elevated in systemic lupus erythematosus patients, particularly ANA and Anti-dsDNA autoantibodies, but no single biomarker was sensitive or specific enough for diagnosis.

This study found that overexpression of β-catenin in bipotent Schwann-cell precursors promotes melanocyte development in limb areas by inducing MITF and repressing FoxD3, especially during a specific developmental timeframe.

This Ph.D. project aims to evaluate the self-assembling potential of hair keratin extracts and study the cellular response to both crude and purified keratins, highlighting their potential applications from biomedical to water remediation.

This review discusses diagnosis and management strategies for polycystic ovary syndrome in teenagers and reports no new clinical findings, emphasizing tailored approaches considering symptoms, psychological well-being, and fertility needs.

This review traces the historical understanding and treatment of acne across ancient Egyptian, Greek, and Roman civilizations, but provides no new clinical findings.