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This study used ultrahigh-resolution optical coherence tomography to observe hair shaft structures, finding melanin granules absent only in white hair, which may explain color differences between black and white hair.

This review outlines the practical use of reflectance confocal microscopy in dermatology, detailing its applications and considerations for diagnosing various skin conditions, but reports no new findings.

This study found that a CLSM-based approach could semi-quantitatively assess the transdermal penetration behavior of fluorescent dyes with different lipophilicities, offering a tool for early-stage screening of compound penetration.

Hair shaft changes may be linked to CCCA, but their role is unclear.

In this study, researchers used SEM/SDD-EDS to identify waterborne minerals like calcium and aluminum in the scalp hair cuticle of individuals using treated or untreated water for hair washing, finding that prior application of coconut oil or conditioners can prevent calcium uptake.

In this study, dermatophytosis was prevalent among 52% of dogs and 70% of cats with skin lesions, with younger animals facing higher infection risks; combined itraconazole, clotrimazole, supportive care, and vaccination led to the fastest recovery.

This study found that the topical Shen Bai hair growing decoction may improve androgenetic alopecia in mice by suppressing TNF-α and IL-6 levels, enhancing follicle density, and reducing apoptosis.

In this study, researchers examined juglone's potential as a restoring agent for hair keratin damaged by permanent or bleaching treatments, finding that juglone formed Michael adducts with cysteine residues, leading to a more regular hair surface as observed via IR spectroscopy and SEM analysis.

In this study, researchers used scanning electron microscopy to analyze hair damage from 3% hydrogen peroxide and UVB radiation, observing that Caesalpinia sappan hair tonic formulations coated and interacted with the hair cuticle, potentially modifying hair fiber damage.

This protocol describes using two-photon laser-scanning microscopy to study hair regeneration in live mice, offering detailed imaging capabilities for observing hair follicle stem cell behavior and manipulating cellular populations.

This study found statistically significant patterns in hair morphology and ultrastructure linked to biogeographic ancestry among European, African, and East Asian populations.

This study reported three cases of tinea corporis caused by Microsporum canis in a household, linked to a domestic cat, where genetic analysis suggested a familial transmission route.

This study demonstrates that the newly developed portable reflectance confocal microscope (PRCM) offers real-time, noninvasive monitoring of wound healing processes by visualizing skin morphology in both mice and humans.

This study used light sheet fluorescence microscopy to successfully image and analyze calcium oscillations in the root hairs of Arabidopsis thaliana, finding that these oscillations correlate with the root hair growth rate and that auxin affects these properties.

This study found that increasing a drug's lipophilicity and adding ethanol to the donor phase can enhance its delivery to the hair follicle, although the precise transport mechanism remains unclear.

This review discusses immunohistological and immunofluorescent methods for studying the human hair follicle cell cycle, reporting no new results, and suggests its potential for advancing cell cycle research.

This study found that adapalene-loaded nanospheres in a hyaluronic acid gel enhanced skin penetration and were nonirritant, making them potentially suitable for treating acne on oily skin.

This study in Hexi cashmere goats found that secondary follicle activity increases with time, and Hoxc13 expression varies significantly across different growth stages, suggesting a role in follicle activity.

In this study, tresses treated with pH 1.0 acid straightener showed better straightening but more damage to hair properties compared to those treated with pH 2.0.

This study found that heating damages Asian black male and female hair cuticles without altering their structure, with damage severity increasing at higher temperatures and longer exposure times.

This study found that finasteride-loaded microemulsions using poloxamer 124 significantly enhanced skin penetration of the drug compared to a standard solution, primarily through targeting hair follicles via the transfollicular pathway, with intercluster, intercellular, and transcellular pathways contributing less.

In this study, the researchers developed and optimized a curcumin nanocrystal gel to enhance skin permeability, reporting improved dissolution properties and antiproliferative effects on cell lines, suggesting it as a promising topical delivery system.

This study found that machine learning techniques, such as Random Forest, SVMs, and KNN, can significantly improve the early detection and determination of hair loss, potentially transforming treatment with more accurate and personalized approaches compared to traditional methods.

This study found that combining dermoscopy with reflectance confocal microscopy is more sensitive and specific than using either method alone for assessing vitiligo disease activity and treatment response. Additionally, specific characteristics observed via these techniques correlated with either good or poor treatment outcomes.

This article is from the ASPS Education Network and does not report any new research findings.

This study showed that chemical and mechanical treatments significantly alter the nanoscale surface properties of hair, affecting its roughness, mechanical stiffness, adhesion, and surface potential.

In this study, researchers used atomic force microscopy to capture and analyze morphological changes in the surface of healthy hair, identifying features such as pitting and rod-shaped macro-fibrillar elements, which could inform future research on hair conditions and care.

This study found that plasma jets can effectively clean and oxidize human hair fibers, with argon/oxygen plasma having the strongest effects, suggesting potential as an alternative to peroxide treatment.

This chapter reviews the anatomy and structure of hair, discusses hair damage and analyses, and explores methods for processing hair changes, but presents no new research findings.