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This chapter reviews hair anatomy, hair shaft structure, and various cosmetic treatments that can alter or damage hair, but it presents no new research findings.

This study developed a reliable RP-HPLC-DAD method, finding that amino acid concentrations in bleached hair decrease with higher hydrogen peroxide levels, notably affecting cystine.

This study introduces AlopeciaDet, a novel feature fusion technique, using camera images to detect Alopecia Areata with 99.45% accuracy, outperforming existing methods by leveraging CRSHOG and ResNet-50 features.

This review discusses the catalytic mechanisms and potential applications of nanozymes in areas like tumor therapy and biosensing, but reports no new experimental findings.

This study found that keratin-associated proteins form part of the developing exocuticle and a-layer in hair fiber cuticle cells, while cornified envelope proteins were absent.

This study reports the synthesis of a hectorite/phenanthroline nanomaterial which acts as a potential fluorescent sensor for detecting Zn ions in water, offering a solution to the low solubility issue of traditional metal ion-detecting molecules.

This study found that untargeted hair metabolomics analysis detected significantly altered endogenous biomolecules, potentially serving as biomarkers for identifying oxidative cosmetic hair treatments like bleaching.

In this study, researchers identified a highly reactive, isozyme-specific sequence for TGase 3, contributing to understanding its distinct functional role and activity distribution in the mouse epidermis.

This review highlights the need for improved methods in cosmetic safety assessment, emphasizing the potential of engineered skin tissue for more effective detection and toxicological evaluation of cosmetic products, compared to traditional methods.

This study developed a closed-loop system for emergency wound care that monitors infection in real-time using biomarkers and delivers amikacin-loaded liposomes for treatment, integrating a conductive hydrogel for environmental protection and antibacterial benefits.

In this study, N. sativa oil and decoction significantly protected against chemotherapy-induced alopecia in albino rats.

In this study, researchers found that basal cell carcinomas with common Hedgehog signaling mutations may require additional mutations to hyperactivate downstream signaling and progress beyond dormancy.

Touch domes in human skin are complex sensory structures not directly linked to hair.

This review explores the historical development of theories on physiological tissue regeneration, particularly focusing on peripheral nerve regeneration, and emphasizes the need for new experiments and perspectives without providing new empirical findings.

This study found that Mueller Matrix microscopy can accurately identify, detect, and evaluate hair follicles in mouse skin tissue, suggesting its potential for skin structure research and dermatological applications.

This study found that specific dermoscopic signs, such as diameter diversity of leukotrichia and Pohl-Pinkus constrictions, were associated with progressive vitiligo, and early-stage melanin synthesis was impaired in vitiligo-associated leukotrichia.

This observational study aims to more accurately detect and localize Propionibacterium acnes in acne lesions by combining multiple microbiological visualization techniques, but it does not present new results on their causality to acne.

This review discusses pili torti, a rare hair shaft disorder, and reports no new clinical results; it emphasizes the need to investigate underlying conditions in affected individuals.

This study found that concentrated clusters of noradrenergic nerve fibers form a longitudinal linear system in rat skin, particularly innervating arrector pili muscles.

This article reviews optimal patient selection and donor site quality for successful hair transplant procedures, but reports no new clinical findings.

This study developed a deep learning-based tool to quantify individual hair fibers in mice, revealing distinct hair phenotypes linked to hormonal, genetic, and age-related factors, and suggesting its potential for new diagnostic methods through hair analysis.

This study reports that a 190,000 molecular weight protein, identified as trichohyalin, may play a matrix role in the development of inner root sheaths in hair follicles.

This review discusses the design, properties, and potential applications of smart microneedles, with no new clinical results presented.

This review highlights recent advancements in microneedle technology, noting its ability to enhance transdermal drug delivery, biosensing, cancer treatment, and skin disease repair, while emphasizing its potential for improving patient compliance and reducing side effects.

This study suggests that varicella-zoster virus infection in skin cells may play a role in segmental vitiligo's progression and depigmentation.

This study found that Microsporum canis was the most prevalent dermatophyte in dogs and cats in Western Turkey, with younger animals more frequently infected than older ones.

This study found that polyamidoamine dendrimers can permeate skin's current conducting pores and alter the magnitude and direction of electroosmotic flow, affecting drug flux during iontophoresis.

This study found that washing hair with surfactants reduces the internal density of hair due to cuticle lifting, and suggests that a cuticle-sealing strategy can inhibit this effect and maintain hair homeostasis.

This study used 3D imaging to reveal age-related reductions in the volumes and connectivity of dermal papillae and rete ridges at the dermal-epidermal junction, which are not fully apparent in 2D examinations.