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In this study, a new shading model for hair was developed that better matches real-life light scattering, thanks to detailed new measurements of hair fiber scattering not predicted by existing models.

This study found that testosterone concentrations in hair samples were moderately stable over three months, with cosmetic treatments like coloring increasing testosterone levels, while natural hair color in untreated hair did not affect testosterone measurements.

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 review highlights the increasing clinical applications of high-frequency ultrasonography in dermatology, particularly for assessing the depth of skin tumors and monitoring inflammatory skin diseases, but reports no new clinical results.

This study found that in vivo confocal scanning laser microscopy accurately quantifies neogenic hair follicles in mice, producing results similar to histology while avoiding fixation artifacts.

This study found that chemotherapy in female breast cancer patients caused significant early hair loss, which began to recover three months after completion, whereas tamoxifen did not affect hair growth.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

This study introduced a new high-throughput method for analyzing scalp hair morphology and found that quantifying hair form provides more accurate information than traditional classification based on racial categories, challenging the belief that cross-sectional morphology predicts hair curvature.

This article reports no new data; it describes the role of sebum in influencing the skin microbiome and epithelial tissues and discusses its altered composition during transit through the sebaceous duct.

This study found that the TrichoScan Professional V3.0.8.76 shows high reproducibility in measuring hair count and density but may not be effective for distinguishing hair growth phases in women with androgenetic alopecia.

In this study of infertile Indonesian women with PCOS, researchers found no correlation between hirsutism, body measurements, and sexual dysfunction scores, but noted that hirsutism may be linked to higher anxiety levels.

This article discusses the challenges dermatologists face in treating hair loss, exploring hair fibre diameter and density, and reports no new clinical results.

This study concluded that bleach treatment partly transforms the hydrophobic top layer of human hair cuticles into a hydrophilic surface with clustered cysteic acid, visualized at the nano-scale using dynamic Chemical Force Microscopy.

This review discusses the role of scalp imaging techniques in trichology for researching drug delivery and toxicology, without presenting new clinical results.

This study found that increased dihydrotestosterone levels were observed in both androgenetic alopecia patients and controls, suggesting that follicle sensitivity to DHT may be more critical than DHT levels for alopecia development.

This study found that high-resolution laser speckle contrast imaging devices provide good reproducibility for assessing skin perfusion in mice but not for measuring haemoglobin oxygenation.

In this study, researchers investigated EGCG's spectroscopic properties and its interaction with DPPG lipid, finding that both experimental and theoretical approaches agree on the electronic transitions and reveal an increased absorbance due to molecular interactions.

This review reports that collagen as a nutraceutical shows promising results for improving skin health in estrogen-deficient women, but more research is needed for scalp hair, nail health, and optimal dosing of curcumin and glutathione.

Men with early balding should be checked for metabolic syndrome, as there's a link between the two.

This paper presents an RGB video microscopic system to monitor optical properties of hair shafts and follicles in vitro, but reports no new clinical results.

Captopril may cause hair loss, as shown by a woman's hair regrowing after stopping the medication.

FPHL affects hair density and diameter, causing visible hair loss in older women.

This study introduces a new multimodal imaging technology to visualize and quantify cell dynamics in natural skin over long durations, demonstrated in GFP bone marrow-transplanted mice, to study dynamic skin regeneration.

This study identified a genetic variant in the CTS6 gene associated with a hypotrichosis syndrome, emphasizing the significant role of cystatin M/E in hair and skin health.

This study found that examining hair morphology provides deeper insights than classification, suggesting a potential population stratification artefact between hair curvature and cross-sectional shapes in the examined admixed African-European sample.

This study found that polyquaternium-68 at pH 9 achieved the greatest hair deposition, while polyquaternium-44 demonstrated the best wash resistance at pH 6.

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

This article discusses the relationship between topical sunscreen use and vitamin D synthesis but reports no new clinical results.

This study found that polymeric nanoparticles may effectively deliver finasteride topically to hair follicles, potentially improving alopecia treatment with fewer side effects than oral forms.

This study found that liquid crystalline nanoparticles formulated with Cremophor surfactants significantly enhanced skin permeation of finasteride compared to lower surfactant concentrations.