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This study found that organ-cultured human scalp hair follicles can mimic chemotherapy-induced damage in vivo and serve as a model to explore molecular targets and protective agents for hair follicle preservation.

This study found that COX-2 expression in normal rat skin is linked to the hair cycle, with varying levels observed in different skin structures during anagen, catagen, and telogen phases.

In this study, researchers found that a high-cost hair restoration product containing coconut oil and glycerol effectively restored the structural integrity of chemically processed hair, particularly in samples that were significantly damaged by bleaching and color treatments.

This review discusses the use of hair cortisol concentration as a marker for chronic stress and long-term cortisol secretion in animals, highlighting its benefits and the need for standardized sampling protocols.

This study found that the dehydroepiandrosterone hydroxylating enzyme system in hair follicles is similar to the liver monooxygenase system, sharing characteristics such as inhibition by carbon monoxide and dependency on NADPH.

This study developed a sensitive and specific method for detecting testosterone in horse hair, finding trace amounts in samples for up to five months after administering a single dose.

This study found that the Arabidopsis cation chloride cotransporter (CCC1) is crucial for regulating pH and processes in the trans-Golgi-network/early endosome, impacting plant growth and stress responses.

This study observed an association between the use of colored and perfumed hair oils and contact dermatitis, with notable differences in incidence by age and type of oil.

This study found that a hair tonic containing 15% ethanol extract of cocoa leaves effectively stimulated hair growth in rabbits, outperforming minoxidil 2%, and was safe with no skin irritation observed.

This study developed and validated a method to analyze active ingredients in hair nourisher products, which was successfully applied to products from the market.

This study developed a faster method to analyze fatty acid ethyl esters in human hair, potentially distinguishing alcohol consumption levels more efficiently.

This study found that applying a tocotrienol-rich phytochemical topically induced hair follicle development in adult mice, revealing a new epidermal pathway involving E-cadherin and β-catenin.

This chapter reviews various types of aromatic compounds and provides references, but reports no new experimental results.

A new compound was made that might help treat diseases related to male hormones.

This study found that Type 3 hair oil penetrated the hair shaft more effectively than coconut oil, resulting in greater increases in hair thickness and tensile strength.

This study found that oxidative hair dyes altered the color and ultrastructure of Caucasian hair but did not significantly affect the hair's breaking strength.

This study found that a novel thiohydantoin derivative, 3a, effectively inhibited androgen receptor activity in LNCaP cells and showed promising in vivo results by reducing testosterone-induced prostate changes, outperforming finasteride in mitigating prostate index and histopathological alterations.

This study found that incorporating CTA2-BADG, a modified hair-rebonding compound, into damaged hair significantly improved surface morphology and tensile strength by using charge-conversion chemistry to enhance penetration into the hair shaft.

The researchers found that HOXC13 regulates different keratin proteins in a mixed manner, with certain SNPs impeding this regulation, while also demonstrating negative-feedback by HOXC13 and positive regulation by LEF1 and melatonin on the HOXC13 promoter.

This study presents computational modeling and experimental analysis of the HGT protein KAP8.1, identifying key structural features that may influence hair's response to environmental conditions.

In this study, hair shafts from trichothiodystrophy patients with ERCC2 mutations revealed abnormal cuticle structures and protein imbalances compared to normal hair shafts.

This study developed a sensitive method to precisely determine hair lipid composition, demonstrating specific lipid changes from the root to the tip in untreated hair fibers from two women.

This study found that oral tetracycline hydrochloride significantly reduced the free fatty acid/triglyceride ratio in hair lipids of young men and women treating acne vulgaris, with or without additional ethyl lactate application.

Hair cortisol concentration partly reflects HPA axis regulation but doesn't capture all its complexities.

In this case study, researchers detailed two Saudi cases of the ultra-rare Trichohepatoneurodevelopmental syndrome, identifying pathogenic variants in the CCDC47 gene and reinforcing a strong gene-disease association, which helps clarify the disorder's clinical features and genetic mutations.

This study observed that in an ex vivo setting, 17β-estradiol increased CB1 expression in human hair follicles, suggesting possible sensitivity to endocannabinoids and a potential mechanism for hair therapy.

This study observed that COX-2 overexpression in transgenic mice led to a significant reduction in skin tumor development compared to controls, challenging the expected role of COX-2 in promoting tumors.

This article discusses the functions of the enzyme 17beta-HSD10, including its role in steroid metabolism and potential links to Alzheimer's disease, but reports no new experimental findings.

hHb1, hHb3, and hHb6 mRNAs start expressing at the same time in hair follicles.

Keratin structure changes during keratinization, but the exact model remains uncertain.