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This study introduced a new hair shading model that more accurately simulates light scattering on hair fibers, capturing effects not predicted by previous models.

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

In this study, researchers used three-dimensional reconstruction to show that the shape of the hair follicle determines the hair's form, with variations observed among different racial groups.

This study found that hair luster decreases with age in Japanese females, primarily due to an irregular increase in fiber curvature which affects hair alignment.

This review discusses platelet-rich plasma for androgenic alopecia and reports beneficial effects on hair density and quality, but suggests more rigorous studies are needed for conclusive evidence.

This article describes the first documented case of acquired uncombable hair syndrome in a 39-year-old woman, contributing to the understanding of this rare condition.

This study found that androgenic alopecia is present in 22% of women with polycystic ovary syndrome and is associated with other clinical signs of hyperandrogenism, but not with increased biochemical hyperandrogenemia or metabolic dysfunction.

This study reports on the clinical and dermoscopic diagnosis process for androgenic alopecia in patients at Zagazig University Hospitals but includes no new treatment findings.

The research reported that applying treatments with wild peach leaf extract during hair dyeing improved hair's tensile strength, thickness, gloss, and protective qualities in a concentration-dependent manner, suggesting potential for use in natural hair cosmetics.

A 4-year-old girl had a rare hair disorder affecting only part of her scalp.

This article contains no research findings; it reports on an online discussion about platelet-rich plasma (PRP) and opinions shared during a conference.

This study found that high-speed optical coherence tomography may be a promising non-invasive tool for analyzing human hair conditions.

Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.

This study identified the expression sites of five KAP5 genes on human chromosome 11q13.5 in scalp skin sections but did not explore their detailed distribution within hair follicles.

This article describes the diagnostic process and rewards of evaluating female hair loss but reports no new clinical findings.

This article reviews uncombable hair syndrome, highlighting its symptoms, potential diagnosis methods, and the suggestion for biotin supplements, but it reports no new empirical results.

The examined study explored how trichoscopic evaluations of female pattern hair loss might relate to disease severity and histological changes, but the authors highlighted methodological issues such as unclear sample size determination and insufficient control of confounding variables, which limit the results' generalizability and reproducibility.

This study found that treatment with mercuric acetate modifies the elastic properties of Lincoln wool fibers more rapidly than human hair, explaining the enhanced unshrinkable quality of wool under certain conditions.

This retrospective cross-section study found that in a cohort of Pica patients in Iraq, 92.4% were female, and many had low levels of ferritin, hemoglobin, and vitamin D, which may contribute to the disorder by causing psychological issues.

This manuscript discusses a large-scale cross-sectional analysis on addressing variance in responses to a set of questions by identifying underlying factors, but specific results are not reported in the abstract.

The study found that certain hair care practices, such as wearing cornrows and infrequent use of hair oil, were significantly associated with traction alopecia and seborrheic dermatitis in African American girls, but no significant link was observed with tinea capitis.

In this study, oral biotin improved hair growth, strength, and combability in a child with uncombable hair syndrome, while hair in two others slowly improved without biotin.

This study examined two cases of bubble hair deformity using light and electron microscopy, suggesting that trauma to the hair shaft may contribute to this condition.

This study examined hair classification based on geo-racial origin, observing that Caucasian and Mediterranean hair differs morphologically from African or Asian hair, with differences in density, thickness, and fiber shape contributing to varied hair characteristics such as color and curliness.

This study introduces a modular fiber model to investigate how changes in microstructural properties of wool affect its critical buckling load, highlighting potential uses and areas needing further research in wool fiber biophysics.

This study found that distinct spiny hair morphologies in rodents arose independently multiple times but did not link the Ecdysoplasin A receptor gene mutation that affects human hair to these variations.

This study using an apertureless scanning near-field optical microscope found that dye restricted to hair's periphery remains mainly on the surface and in the endocuticle.

This study used novel methods to detect and map iodine concentrations in pig skin, finding iodine present in the coating, stratum corneum, and tissue around hair follicles.

This study found that participation in a training workshop can significantly improve the reliability of evaluating ultrasonographic features of polycystic ovaries, suggesting standardized training modules should be used for consistent diagnosis of PCOS.

This study reports an improved method for determining blood type from human hair using immunohistochemistry.