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This review discusses the diagnostic classification and traditional Korean medicine treatments for abnormal hair growth and reports no new clinical results; it suggests that combining these with modern technology may enhance cosmetology advances.

In this study, researchers observed a curvilinear relationship between loneliness and hair cortisol concentration among older adults at elevated cardiovascular risk, with cortisol levels higher at low-to-moderate loneliness and lower at higher loneliness, though results were sensitive to some data exclusions.

This study developed and validated a method for measuring stress biomarkers in hair during pregnancy, finding that glucocorticoid levels increased over trimesters while endocannabinoid levels remained constant, suggesting hair analysis as a reliable tool for monitoring stress responses in pregnant women.

This study found a significant association between increased waist circumference and body mass index and female pattern hair loss in premenopausal women, suggesting the importance of screening for metabolic syndrome in these patients.

This study found that while measuring zinc in hair did not allow calculation of individual hair growth rates, it effectively characterized zinc, lead, and mercury concentrations and improved methods for analyzing these exposures using LA-ICP-MS.

This study used hair samples to assess mineral levels and found that higher iron status may be associated with an increased risk of esophageal squamous cell carcinoma, while no significant associations were observed for copper and magnesium levels in this cohort.

This study found that males with a maternal history of androgenetic alopecia were significantly more likely to have female pattern hair loss, suggesting early screening might be beneficial.

This study established age-adjusted reference intervals for hair cortisol in children from birth to 18 years, finding higher cortisol levels in infants possibly linked to slower hair growth.

This study found that retinoic acid and a retinol complex formulation showed different permeation and compound localization in a skin equivalent model, with unique lipid changes observed with only the retinol formulation.

This article reviews traditional and modern methods for treating pilosis with both Korean medicine and current technologies, but it does not provide new clinical results.

This study found that hair analysis is an effective non-invasive method for assessing metabolic fluctuations, showing stable advanced glycation end products levels that correlate with age and differ significantly between diabetic and non-diabetic rats.

This study found that concentrations of THCCOOH in hair do not correlate well with self-reported cannabis use due to inaccuracies in the self-reported data, but it provides preliminary insights into usage patterns.

This study found that chemical treatments such as hair bleach and UV radiation significantly reduced the amount of 18-methyleicosanoic acid on the outer surface of human hair.

This study found that young women with female-pattern hair loss exhibit increased testosterone production rates while dihydrotestosterone production rates remain within or below the normal range.

This study used nanoscale secondary ion mass spectrometry to locate where calcium and copper are concentrated in colored hair, finding these metals particularly in the cuticle's sulfur-rich regions.

This study demonstrated that an LC/MS-MS method could effectively detect and quantify the vitamin B3 vitamer nicotinamide in human hair, suggesting its potential use for long-term deficiency examination.

This study found that protein arginine methylation levels in human hair may correlate with a cardiovascular biomarker in blood, suggesting hair sampling as a potential non-invasive method for cardiovascular risk assessment.

This study reported that a newly developed UHPLC-MS/MS method detected illegal synthetic hair-growth compounds in 10% of 76 hair-growth products, highlighting the need for ongoing monitoring to protect public health.

This study reported that polyamine levels, especially N-acetyl polyamines, were higher in the vertex region of the scalp than in the occipital region in patients with male and female pattern hair loss.

This case report describes a middle-aged man with a growing scrotal mass, diagnosed as a benign proliferating trichilemmal tumor, which can mimic squamous cell carcinoma, highlighting the importance of correct diagnosis.

This study examined the hair ionomic profiles of first-year RUDN University students and found distinct elemental differences between those from the Moscow region and the Middle East, suggesting these profiles may reflect the geographical and climatic conditions of their previous environments.

In this study, researchers found that women with PCOS and thyroid dysfunction had significantly altered T3 and T4 hormone levels and more frequent symptoms like weight gain and irregular menstrual cycles, suggesting the importance of thyroid screenings for personalized treatment strategies.

This study found that bioconjugating 16-methylheptadecanoic acid (16-MHA) to damaged hair can mimic the protective properties of 18-methyleicosanoic acid (18-MEA), restoring the hair's structural integrity and moisture homeostasis, even after washing.

This study found that prepubertal girls have significantly higher levels of estrogens and androgen metabolites compared to age-matched boys, which may contribute to their earlier onset of puberty.

In this case study, a 55-year-old male farmer from Nepal with a kerion barbae in the beard region showed complete resolution after initiating oral itraconazole, highlighting the potential for misdiagnosis when bacterial superinfection complicates dermatophyte infections.

The researchers reported that individuals with non-alcoholic fatty liver disease and nutritional deficiency often exhibit iron and estrogen deficiencies, which may contribute to liver cell stress and fibrosis.

This study presents a method using liquid chromatography tandem mass spectrometry to quantify biotin in plasma and serum, and explores how high biotin intake can interfere with diagnostic immunoassays that utilize biotin-streptavidin technology, potentially leading to misdiagnosis of endocrine disorders.

This study used gas chromatography-mass spectrometry to simultaneously quantify androstenedione, dihydrotestosterone, dehydroepiandrosterone, testosterone, androsterone, etiocholanolone, progesterone, and pregnenolone in human hair, detecting differences in steroid concentrations between male and female samples.

This study found that bioconjugating 16-methylheptadecanoic acid to damaged human hair can mimic the protective function of the original 18-methyleicosanoic acid, effectively restoring both the hair's external structural integrity and its internal moisture balance.

In this study, females with hirsutism showed higher levels of certain androgens and reported more frequent symptoms such as infertility and increased skin greasiness compared to those without hirsutism.