January 2024 in “Journal of Cosmetic Dermatology” This systematic review found that platelet-rich plasma may increase hair density and count in male androgenetic alopecia, though limitations in study quality and consistency suggest further research is needed.
September 2023 in “Journal of Nutrition and Metabolism” This study found that the ashwagandha extracts ASH-Ext1 and ASH-Ext2 show different pharmacological activities in cell models due to their distinct withanolide proportions, highlighting the need for standardized extraction protocols to ensure consistent therapeutic efficacy.
May 2023 in “Frontiers in chemistry” This study found that hair from the vertex posterior is a reliable sampling region for detecting zolpidem intake, showing consistent drug concentration and peak position compared to other scalp regions.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that hair follicles and urine cell pellets from noninvasive samples may be the most promising for transcriptomic analyses due to their consistent quality and applicability to disease-relevant research.
September 2022 in “International journal of pharmaceutical quality assurance” This study concluded that sodium lauryl sulfate is very toxic to hair, damaging its structure, while natural conditioners help protect hair integrity and improve consistency and shine.
421 citations
,
September 2003 in “Development” This study concluded that label-retaining cells in mouse epidermis differ in their sensitivity to proliferative stimuli, influencing their division and potential transdifferentiation without consistently depleting their population.
155 citations
,
September 2008 in “British journal of dermatology/British journal of dermatology, Supplement” This study observed that frontal fibrosing alopecia predominantly affects postmenopausal women, can be associated with lichen planus, and may lead to progressive hairline recession, though this progression is not consistent in all cases.
119 citations
,
July 2016 in “Annals of the New York Academy of Sciences” This review examines the impact of vitamin D signaling in extraskeletal tissues and notes that expected benefits from animal and cell studies have not been consistently replicated in human clinical trials.
56 citations
,
November 2016 in “Aesthetic surgery journal” This review discusses the varied use and inconsistent reporting of platelet rich plasma in aesthetic surgery, finding that current studies lack consistent methodologies and objective evidence, and reports no new clinical results.
56 citations
,
January 2008 in “Dermatology” This article discusses the controversy over serum ferritin levels in diagnosing iron deficiency in women with hair loss but reports no new findings, emphasizing the need for consistent reference ranges.
52 citations
,
October 2004 in “Veterinary dermatology” This study found that 62% of neutered dogs with hair cycle arrest experienced partial to complete hair re-growth after melatonin treatment, but hair re-growth was not consistently linked to normal sex hormone levels.
37 citations
,
April 2019 in “Journal of The American Academy of Dermatology” This review assessed the effectiveness of various treatments for frontal fibrosing alopecia and found that intralesional steroids and 5α-reductase inhibitors showed the most positive outcomes in slowing or halting hair loss, though the lack of placebo-controlled studies and consistent outcome measures limits definitive conclusions.
36 citations
,
January 2000 in “British journal of dermatology/British journal of dermatology, Supplement” This case study reports on a mother and daughter with ichthyosis follicularis, alopecia, and photophobia, noting consistent keratotic eruptions during the mother's pregnancies that improved postpartum.
34 citations
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March 2003 in “Veterinary Dermatology” This study found that in dogs with alopecia, certain steroid hormone levels were elevated, particularly progesterone, but not all hormone abnormalities were consistent across breeds, suggesting the need for breed-specific evaluation.
30 citations
,
July 2008 in “Reproductive Biology and Endocrinology” 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.
29 citations
,
May 1975 in “Clinical Endocrinology” In this study, treatments combining betamethasone and anovulatory steroids significantly reduced testosterone production in women with hirsutism, with many reporting improved hirsutism and acne, although clinical benefit did not consistently correlate with testosterone reduction.
28 citations
,
May 2017 in “Molecular ecology” This study observed that in wild snowshoe hares, gene expression patterns during seasonal coat color change show a consistent lag between gene expression and visible coat color changes.
26 citations
,
January 2012 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This article reviews light-based hair removal devices for home use, highlighting safety issues and the need for consistent international regulations and guidelines for their manufacture and marketing.
24 citations
,
September 2002 in “Dermatologic Surgery” This study suggests that transplanting hair to new nonscalp sites affects their growth and survival rates, though the hair diameter remains consistent.
24 citations
,
January 1993 in “Dermatologic Clinics” Minoxidil effectively treats hair loss, works better for women, and requires consistent use.
22 citations
,
November 2018 in “Breast Cancer Research and Treatment” In this review, researchers found no evidence of interactions between 5α-reductase inhibitors or spironolactone and endocrine therapies for breast cancer, with no consistent changes in estrogen levels or increased breast cancer risk associated with spironolactone usage.
18 citations
,
March 2019 in “Journal of The European Academy of Dermatology and Venereology” This study found that finasteride use was not associated with sexual dysfunction in men with androgenetic alopecia, consistent with other large survey-based controlled studies.
15 citations
,
May 2009 in “Chemical Physics Letters” This study demonstrated that a metric based on rotational echo intensity in 2H magic-angle spinning NMR can derive kinetic information for conformational exchange without complex modelling, achieving activation barriers consistent with prior findings.
13 citations
,
December 2020 in “BMJ Open Diabetes Research & Care” This study found that while intensive lifestyle interventions were associated with favorable changes in SHBG levels due to reduced adiposity, these changes did not consistently predict diabetes risk reduction.
13 citations
,
January 2015 in “Molecular Pharmaceutics” This study suggests that minoxidil may serve as a suitable reference drug for high permeability classification in the Biopharmaceutics Classification System due to its consistent permeability across different intestinal segments and pH levels.
12 citations
,
October 2013 in “British Journal of Dermatology” This meeting report provides an overview of recent evidence on vitiligo treatments, indicating a lack of standardized outcome measures and emphasizing the need for more consistent clinical trials.
9 citations
,
May 2022 in “Drugs in Context” This report describes the successful use of sonidegib in treating two cases of locally advanced basal cell carcinoma, leading to remission in both instances, and reducing lesions in a patient with Gorlin syndrome, while noting mild side effects consistent with the drug's known profile.
9 citations
,
January 2010 in “International Journal of Trichology” This study found that in Alopecia Areata, increased non-anagen terminal follicles and peribulbar lymphocytic infiltrate are consistent histological features, even in cases that have progressed to scarring.
8 citations
,
May 2011 in “Journal of Pharmacology and Experimental Therapeutics” In this study, the safety of finasteride in rats varied depending on dosing time, while its effectiveness on prostate weight reduction remained consistent.
8 citations
,
November 2009 in “The Neurologist/The neurologist” This case report highlights a 21-year-old woman with seizures, mental retardation, spastic diplegia, and ichthyosis consistent with Sjogren-Larsson syndrome, and emphasizes the importance of differential diagnosis when additional symptoms are present.