February 2026 in “Advanced Sensor Research” In this review, researchers examined advanced sensing technologies and bioelectronic interfaces that could improve understanding of the skin–brain axis, highlighting challenges and strategies for integrating these platforms into models for studying skin and neural interactions.
December 2025 in “Cosmetics” This review synthesizes recent molecular and preclinical advances in alopecia areata and androgenetic alopecia, highlighting how interventions targeting specific intracellular signaling pathways and utilizing stem cell technologies can support precision regrowth and structural follicle reconstruction.
November 2025 in “Cosmetics” This study found that of the many ingredients advertised in shampoos as effective against hair loss, only caffeine, adenosine, placental proteins, and melatonin have limited clinical evidence supporting their efficacy, with most claimed active ingredients lacking any trial-based validation.
October 2025 in “Frontiers in Artificial Intelligence” This study evaluated a novel, user-friendly approach for detecting hairfall trends over time using machine learning models. The Temporal Fusion Transformer model demonstrated high accuracy in identifying anomalies in hair shedding patterns, potentially aiding in the early detection of health risks related to hormonal fluctuations.
October 2025 in “Preprints.org” This research concludes that adipose mesenchymal stem cells are uniquely evolved to manage skin inflammation in newborns and their released molecules are the safest and most effective for skin therapeutics.
October 2025 in “International Journal of Molecular Sciences” This review highlights the lack of a comprehensive synthesis of stem cell therapy research by categorizing current studies according to medical specialty and stem cell type, while analyzing their advantages and limitations across various medical disciplines.
July 2025 in “Pharmaceuticals” In this study, chitosan nanoparticles loaded with phenobarbital were the most effective in promoting hair regrowth and quality in a mouse model of chemotherapy-induced alopecia, suggesting potential for preventing hair loss in cancer patients.
July 2025 in “International Journal of Molecular Sciences” This study found that blocking the chemokine CXCL12 in a testosterone-induced mouse model of androgenetic alopecia restored hair regeneration and reduced fibrosis and immune alterations.
June 2025 in “Naunyn-Schmiedeberg s Archives of Pharmacology” This literature review reports that certain herbal remedies, such as rosemary, green tea, and ginseng, have shown promise in promoting hair growth and improving hair density, though variability and study design limitations highlight the need for more rigorous research.
March 2025 in “International Journal of Trichology” This study found that, in female patients with pattern hair loss, injections of adipose-derived stem cells increased hair density and thickness, reduced perifollicular inflammation, and enhanced markers associated with hair cycle regeneration.
February 2025 in “Biochemistry” This review summarizes the potential therapeutic applications of stem cells in dermatology, emphasizing their role in restorative and regenerative treatments through injections, topical applications, and scaffolds, supported by advancements in laboratory processes and quality control.
January 2025 in “Molecules” In this review, the authors discuss caffeine's potential mechanisms and benefits as a hair loss treatment, noting its possible effectiveness and safety, though they caution that existing studies often have significant design flaws.
November 2024 in “Research Journal of Pharmacognosy and Phytochemistry” This study developed an herbal shampoo using beetroot and sunflower seed extracts, aiming to provide multiple hair benefits compared to conventional shampoos, which typically offer only a single benefit for hair and scalp care.
November 2024 in “Applied Sciences” This study suggests that while some evidence indicates potential efficacy of placental products for hair growth and inhibiting hair loss, the current scientific evidence is scarce and of low quality.
August 2024 in “Cosmetics” In this study, a bleaching protocol was developed to evaluate hair repair products, revealing that K18® and Olaplex® improve hair brightness and lightness, with distinct impacts on hair fiber properties.
This review highlights various plant-based and herbal treatments that reportedly help prevent hair loss and encourage hair growth. It also explores the molecular mechanisms, identified plant compounds, recent technologies such as nanoarchitectonics, and patents related to hair growth promotion.
January 2023 in “Fashion and textiles” This study found that hair dyed with anionic basic hair dye lost more color after shampooing compared to cationic and nonionic dyes, with alkaline shampoo increasing this effect.
February 2022 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” This review discusses the classification and diagnosis of hair shaft disorders based on fragility and emphasizes preventive care due to the lack of specific treatments.
December 2021 in “Pathologica” This case report describes a rare instance of trichogerminoma with unusually numerous mitotic figures and a higher Ki67 proliferative rate, distinguishing it from previously documented cases.
July 2021 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” This article reports on a family with six members diagnosed with monilethrix, highlighting varying degrees of alopecia linked to this rare hair shaft defect.
January 2017 in “Journal of Investigative Dermatology Symposium Proceedings” This report discusses the Ninth World Congress for Hair Research and highlights the potential of hair follicle studies to advance understanding of various diseases, with no new clinical results presented.
This review suggests that stem cells might be a promising addition or alternative to standard treatments for androgenic alopecia, but larger studies are needed to confirm these findings.
142 citations
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March 2019 in “Molecules/Molecules online/Molecules annual” This review discusses the role of the endocannabinoid system in skin health and disease, highlighting its potential for future research and applications, but reports no new experimental results.
426 citations
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August 2014 in “Nature Medicine” This narrative review examines the interactions between skin stem cells and their niches, finding new insights from advancements in genetic and imaging tools but reporting no new experimental results.
14 citations
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April 2022 in “Climacteric” This review discusses the impact of HRT on menopausal skin and hair symptoms and argues that potential benefits should be part of informed decision-making for managing menopause.
578 citations
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May 1996 in “Plant Cell & Environment” This study found that Arabidopsis thaliana plants developed longer root hairs under low phosphorus conditions, suggesting auxin involvement in this adaptive response.
512 citations
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February 2008 in “Science” In this study, researchers found that a positive feedback loop involving Ca 2+ and RHD2 NADPH oxidase-derived ROS helps maintain growth sites, crucial for root hair development and cell shape in Arabidopsis thaliana.
317 citations
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August 1997 in “The Plant Journal” This study observed that while calcium influx does not initiate root hairs in Arabidopsis thaliana, it may be crucial for sustaining their elongation through elevated calcium levels at the root hair tip.