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Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.

This article discusses hair follicle testing as an alternative method for drug abuse screening but reports no new research findings.

This review reports that hair analysis can confirm drug exposure but not accurately estimate doses due to variability and confounding factors like melanin and cosmetic treatments, suggesting it should be used as a qualitative forensic tool rather than for precise dose quantification.

This review discusses the use of different biological samples, including hair, for drug testing and highlights the complexities and considerations involved in interpreting results; it reports no new findings.

This article discusses the development and testing of comprehensible over-the-counter drug product labels, highlighting the need for improved consumer understanding and calling for further research on label design.

This small study reports that a 6-group geometric classification method is more reliable for classifying human hair curl, although a digital system could further reduce errors.

This study found that organoid cultures of human epithelial and mesenchymal cells can produce hair peg-like structures, and their growth is enhanced by minoxidil, suggesting potential for hair drug screening.

This study found that cosmetic hair treatments like bleaching and dyeing significantly reduced drug concentrations in hair samples, with decreases ranging from 30% to over 60% depending on the treatment and hair damage level.

This study models the pathways of nandrolone and its metabolites in the body and suggests methods to counteract finasteride's role in enabling PED users to cheat drug tests.

This study found that different decontamination protocols caused varying levels of cuticle damage in hair, with aqueous buffer treatment resulting in the most substantial degradation.

This study found that segmental single hair analysis produced ocfentanil concentration profiles similar to those from hair lock analysis, supporting its use in cases with limited samples.

This review discusses strategies for developing semi-solid topical generic products to match the quality of reference-listed drugs, using concepts like quality by design and reverse-engineering, but reports no new results.

In this study, bleaching and perming were found to significantly reduce opiate concentrations in both spiked and naturally opiate-positive human hair samples.

This review discusses the current state of research on skin organoids, highlighting their potential for replicating complex skin structures and comparing recent studies on stem cell microenvironments.

This review discusses recent advancements in hair follicle organoid technology for alopecia treatment but presents no new experimental results, emphasizing the potential for clinical applications and drug screening.

This study demonstrated that injecting reconstructed dermal papilla-like tissues in mice led to new hair growth, suggesting potential future applications in hair transplantation and baldness treatment.

This review discusses the increasing importance of hair analysis in forensic toxicology and highlights the complexities in interpreting results due to external contamination and regional collection differences, but reports no new findings.

This review outlines the various adverse reactions to biologic therapies in Allergy/Immunology, emphasizing the clinical and management challenges due to overlapping reaction phenotypes and the need for more refined diagnostic and management strategies.

This review discusses recent progress in understanding the cellular mechanisms of sebaceous gland development and maintenance, emphasizing the role of stem and progenitor cells in related skin pathologies, and reports no new results.

This review covers recent developments in materials for in vitro and in vivo stem cell manipulation, highlighting innovative substrate properties but does not report new experimental results.

This article discusses the evolving landscape of dermatology, highlighting challenges pharmaceutical companies face with novel drug development, while smaller dermatology-focused companies lead in innovation; it reports no new results.

This paper discusses advancements in forensic hair analysis, emphasizing a novel DART–HRMS method that improves the accuracy and efficiency of detecting drug use timelines.

This study reports that a new DART-HRMS method can effectively analyze intact hair for drug use timelines, with cocaine detection aligning with forensic standards and identifying multiple drugs from high-resolution data.

Antiyeast treatments work better for seborrheic dermatitis than steroids, and other findings include increased skin bacteria under plastic wrap, a nasal cell defect in Staphylococcus aureus carriers, quick resolution of certain skin reactions, high rubber latex allergy in spina bifida patients, and glyceryl monopentadecanoate's effectiveness for male hair loss.

This research overview provides insights into current in vitro models for drug testing in hair loss treatments, highlighting the limitations of traditional models and the progress in developing three-dimensional culture platforms for more effective screening of potential therapies.

This review discusses the advancements and challenges in developing in vitro human skin models incorporating components like vasculature for drug testing and disease research, but reports no new clinical results.

This article discusses the widespread issue of performance-enhancing drug use in sports, its health risks, and the importance of drug testing; it reports no new study findings.

In this study, researchers described protocols using C3H/HeJ mice to reliably induce alopecia areata through full-thickness skin grafts or adoptive transfer of cultured lymphoid cells, offering valuable models for studying the disease and testing new drug therapies.

This case report describes a 6-year-old boy with a scalp infection caused by Candida parapsilosis, which was successfully treated with 2% ketoconazole ointment after other treatments failed; antifungal susceptibility testing showed variable drug resistance.

This study found that using a PEG-400/oleic acid mixture as an optical clearing agent enhanced the detection depth of particles in skin without causing dehydration, based on tests in rats and further testing in vivo.