September 2025 in “Clinics and Practice” This study found that six-month supplementation with fish-derived collagen peptides, calcium, and vitamin D3 improved skin hydration and elasticity and reduced hair loss in menopausal women, with collagen playing a dominant role in enhancing skin elasticity.
June 2024 in “Sohag Medical Journal” This review reports that vitamin D plays an important role in hair follicle development, with a negative correlation observed between serum vitamin D levels and female pattern hair loss, suggesting further research is needed before recommending vitamin D as a treatment.
March 2024 in “Skin research and technology” This study found that CRP levels were elevated in alopecia areata patients, with an inverse linear association between serum vitamin D and CRP levels specifically noted in ophiasis AA.
October 2023 in “Journal of Preventive Diagnostic and Treatment Strategies in Medicine” This study found that women experiencing hair loss after recovering from COVID-19 had significantly lower Vitamin D and ferritin levels and higher testosterone and triglyceride levels compared to those without hair loss, indicating a potential link between these factors and the condition.
January 2017 in “Journal of clinical & experimental dermatology research” This study found that patients with telogen effluvium had significantly lower serum ferritin levels compared to healthy controls, suggesting a relationship between telogen effluvium and decreased iron stores.
73 citations
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April 2010 in “Anais Brasileiros de Dermatologia” This study concluded that dermoscopy enhances the diagnostic capability for cicatricial alopecia beyond clinical inspection and identified novel dermoscopic features such as blue-grey dots.
46 citations
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December 2006 in “Anais Brasileiros de Dermatologia” This study identified acne, superficial mycoses, pigmentation disorders, and actinic keratosis as the most common dermatologic diagnoses in Brazil, emphasizing the importance of skin cancer and leprosy in public health.
8 citations
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May 2004 in “Anais Brasileiros de Dermatologia” This study observed that allergic dermatoses were the most common skin conditions among children treated at a dermatology clinic in Recife, Brazil.
3 citations
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February 2019 in “Der Urologe” This review discusses the risk of central nervous side effects, such as dementia and depression, from drugs used to treat lower urinary symptoms related to benign prostatic hyperplasia, and highlights inconsistent evidence across different medications.
October 2025 in “Scientia Generalis” In this narrative review, the authors observed that prolonged stress, by increasing cortisol and affecting androgenic hormones, can harm hair follicles, leading to inflammation and worsening of alopecia areata and androgenetic alopecia.
September 2025 in “Cuadernos de Educación y Desarrollo” This study reviewed the literature on laser and light technologies in dermatology, highlighting their varied clinical applications such as skin rejuvenation, acne scar treatment, and hair removal, alongside their potential for combining with AI to improve outcomes.
January 2023 in “Editora Enterprising eBooks” The document discusses various research topics relevant to Brazil's social and scientific development.
February 2022 in “Programa de Iniciação Científica - PIC/UniCEUB” This study compared the effectiveness of platelet-rich plasma and 5% topical minoxidil for androgenetic alopecia in men but did not report conclusive clinical results, relying on patient self-assessments.
Lichen planopilaris and frontal fibrosing alopecia are likely the same disease with different clinical appearances.
This study found that fetal canine hair follicle-derived stem cells exhibited pluripotency markers, suggesting potential for therapeutic applications in hair and skin repair.
This study concluded that public health services in Recife-PE are inadequately informing women about the climacteric, necessitating an urgent interdisciplinary care model to improve their quality of life.
January 2025 in “Termometer Jurnal Ilmiah Ilmu Kesehatan dan Kedokteran” In this study, researchers tested a tea leaf ethanol extract (Camellia sinensis) hair tonic and found it increased average hair growth compared to positive and negative controls over 28 days, but exhibited some instability and inhomogeneity after accelerated testing.
February 2024 in “Jurnal Tata Rias” This study suggests that aloe vera and lime may help reduce hair loss and improve hair and scalp care, based on panelist evaluations of different formulations.
1 citations
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September 2021 This study analyzed the effect of ginger hair masks and found that a significant portion of salon customers had never used them despite experiencing hair damage.
November 2024 in “Majalah Farmasetika” In this study, the researchers explored a hair dye gel formulated with Indonesian native plant extracts and found it produced stable brown shades on bleached hair, with the most preferred dark brown achieved at a 12% concentration, and showed no skin irritation.
January 2023 in “Editora Conhecimento Livre eBooks” A balanced diet with key nutrients and possible supplements can help manage post-COVID-19 symptoms.
January 2009 in “Electronic Theses of LMU Munich (Ludwig-Maximilians-Universität München)” This study found that the food supplement Haarpower® did not significantly reduce excessive shedding in dogs compared to placebo.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” In this study, researchers observed that telogen hair was more prevalent than anagen hair in both male and female agoutis over a one-year period in Teresina-PI, regardless of dry or rainy seasons, with no significant differences in dermal follicular volume between the sexes.
July 2026 in “Research Society and Development” This study reviewed recent advancements in treating androgenetic alopecia, reporting that while minoxidil and 5-alpha-reductase inhibitors remain well-supported treatments, emerging therapies like microneedling, platelet-rich plasma, low-level laser, and regenerative medicine show promising complementary results.
June 2026 in “Revista Brasileira de Saúde” This study reviewed current scientific evidence on the use of exosomes for treating alopecias, finding they may stimulate dermal papilla cell proliferation and modulate inflammation, though challenges in standardization and long-term efficacy remain.
January 2022 in “Revista Saúde em Foco” This review suggests that combining microneedling with growth factors may significantly stimulate eyebrow growth by promoting new hair follicle formation and improving cellular processes.
The study focused on the identification and cultivation of somatic cells from feather follicles as a source for a biological resource bank for wild bird species. The research aimed to establish a method for preserving genetic material from these species, which could be crucial for conservation efforts. By successfully isolating and cultivating these cells, the study provided a potential tool for maintaining biodiversity and supporting the conservation of avian species. This approach offered a novel way to create a repository of genetic resources that could be used for future research and conservation initiatives.
January 2018 in “Surgical and Cosmetic Dermatology” This study found that a nutraceutical containing vitamins and trace elements was effective in reducing telogen strands and improving hair and nail conditions in individuals with telogen effluvium and brittle nails syndrome.
This study found that stem cells from mouse dental pulp and vibrissae shared similar marker profiles, but dental pulp stem cells expressed a broader range of stem cell markers, suggesting their potential use in regenerative medicine.
This study examines the structure of the "sinuskissen" in cat hair follicles, revealing it as a loose connective tissue susceptible to changes in aqueous flow, and describes its variable three-dimensional shapes.