567 citations
,
October 2007 in “Clinical and investigative medicine” This study described a new assay for measuring cortisol in hair and found it may serve as a useful biomarker for long-term cortisol exposure, correlating with 24-hour urine cortisol levels in non-obese subjects.
148 citations
,
April 2018 in “Environmental Research” This study found that hair products used by Black women and children in the U.S. contain multiple chemicals associated with endocrine disruption and asthma, highlighting potential exposure disparities and a need for improved labeling.
145 citations
,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” Finasteride 1mg helps reverse hair miniaturization in men and postmenopausal women.
67 citations
,
January 2012 in “Biological and Pharmaceutical Bulletin” This study found that nanoparticles did not permeate intact rat skin but could penetrate skin that had been artificially punctured, primarily through grooves or hair follicles.
50 citations
,
June 2014 in “Experimental and Clinical Endocrinology & Diabetes” This study found that hair cortisol levels increase and testosterone levels decrease with obesity, suggesting that measuring hormones in hair may be a valuable tool in obesity research and clinical practice.
44 citations
,
October 2020 in “Arthritis Care & Research” This review summarizes various indices used to assess disease activity and damage in systemic lupus erythematosus, highlighting challenges in universal consensus and their practical applications in research and clinical settings.
42 citations
,
January 2011 in “Journal of Biomedical Optics” This study demonstrates that spatially resolved IR and Raman imaging can effectively reveal the molecular structure and composition of untreated human hair, providing insights into its chemistry and structural integrity.
31 citations
,
June 2022 in “Scientific Reports” This study presents a method using polarization-sensitive optical coherence tomography to accurately assess the depth of burn wound damage in the dermal collagen matrix, potentially improving diagnosis beyond traditional visual methods.
26 citations
,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
17 citations
,
January 2024 in “Journal of Korean Medical Science” This study highlights the urgent need for health policies in Korea that focus on diseases with rising burdens and groups experiencing high health burdens, as a step toward improving population health and achieving health equity.
11 citations
,
September 2020 in “Steroids” This study developed a new method using liquid chromatography-tandem mass spectrometry to measure multiple steroid hormones in hair, requiring significantly fewer strands than previous methods, with high accuracy and precision.
10 citations
,
November 2018 in “Developmental Psychobiology” In this study, testosterone and dehydroepiandrosterone in children's hair were strongly correlated, supporting hair as a potential method for measuring these hormones.
10 citations
,
January 1998 in “Hair transplant forum international” This article discusses Dr. Jim Arnold's comprehensive report on the ISHRS meeting and acknowledges his efforts but provides no new research findings.
9 citations
,
April 2013 in “Journal of Chromatography B” This study developed and validated a sensitive LC-MS/MS method for quantifying tamsulosin in human serum, achieving high analyte recovery and demonstrating applicability in clinical research for benign prostatic hyperplasia.
8 citations
,
July 2021 in “Patient Preference and Adherence” This review discusses how alopecia impacts patients' quality of life and evaluates the use and limitations of HRQoL questionnaires without reporting new clinical results.
7 citations
,
January 2002 in “Biological Trace Element Research” This study found that children with pituitary dwarfism had higher zinc and copper hair concentrations and lower manganese concentrations compared to healthy children.
5 citations
,
May 2018 in “Statistics in Medicine” This study found that the proposed Bayesian measurement-error-driven hidden Markov regression model effectively calibrated inflated covariate effect sizes in a community-based survey on androgenetic alopecia regardless of misclassification type.
4 citations
,
January 2020 in “Genes” This study found that genetic variation in the KRTAP21-2 gene among crossbred Merino lambs was associated with differences in wool traits, particularly mean staple length.
4 citations
,
August 2018 in “Journal of Cosmetic Dermatology” In this study, wound closure tension following strip surgery for hair restoration varied by strip width, highlighting the importance of minimizing tension to achieve better scarring outcomes.
3 citations
,
February 2025 in “Journal of Cosmetic Dermatology” This study supports the idea that increased intestinal permeability may play a role in causing acne vulgaris and confirms a relationship between diet and acne. Further research is needed to understand how specific foods influence acne through this mechanism.
3 citations
,
May 2022 in “Clinical endocrinology” This study found that measuring certain steroids in hair can help diagnose and monitor congenital adrenal hyperplasia in Indonesian patients, offering a simple noninvasive method for developing countries.
1 citations
,
January 2003 in “Dermatology” Finasteride's effectiveness measured by observing hair cortex changes using a cheap and easy method.
This chapter reviews various metrics for measuring sales performance, including sales effectiveness, market share, customer retention, and more, but reports no new research findings.
May 2026 in “Journal of Photochemistry and Photobiology” This review found that solar radiation, pollution, and trace metals cause significant damage to human hair, with factors like UVB radiation primarily affecting light-colored and bleached hair; most data were derived from in vitro and ex vivo simulations.
April 2026 in “Pediatric Dermatology” This review analyzes quality of life instruments for pediatric alopecia areata and reports inconsistencies in their coverage, suggesting the need for new tools to comprehensively assess all affected life aspects.
December 2025 in “Therapeutic Drug Monitoring” This study found that while pulverization yielded slightly higher hair cortisol extraction, the significant interindividual differences observed suggest that any of the methods could be used effectively.
November 2025 in “Canadian Journal of Diabetes” Measuring cortisol in hair helps understand stress and manage related health issues.
This study found that protein hydrolysates from mealworms, especially those derived using flavourzyme, significantly enhance adipogenic differentiation in 3T3-L1 preadipocytes, suggesting their potential as sustainable ingredients for glycemic control, skin health, and tissue regeneration products.
January 2025 in “International Journal of Dermatology Research” This study found that patients with alopecia areata had a significantly higher mean platelet volume compared to healthy individuals, suggesting a potential link between hematological markers and the severity of the disease.
May 2024 in “International journal of medicine and psychology.” This study examines the concepts of personality, resilience, and the subject's ability to overcome challenges, highlighting how personal values and life priorities relate to maintaining emotional stability. The findings may aid in developing practical strategies for enhancing resilience and psychological well-being.