This study analyzed hair-loss clinical trials from 2015 to 2025 and found that, while the number of registrations increased globally, research activity was concentrated in certain regions and varied in therapeutic approaches and outcome specifications.
February 2026 in “Exploration” This review summarizes research on scar formation and inhibition mechanisms, discussing emerging therapies like gene therapy and stem cell treatments, but notes ongoing challenges for clinical application, including treatment personalization and outcome sustainability.
January 2026 in “Dermatologic Therapy” In this systematic review and meta‐analysis, botulinum toxin monotherapy was found to significantly increase hair density in patients with androgenetic alopecia, with optimal effects observed using a 100-unit dose every six months. These findings suggest potential efficacy but should be confirmed in larger, placebo-controlled trials.
August 2025 in “Journal of Cosmetic Dermatology” In this systematic review, researchers examined various treatments for axillary hyperpigmentation, finding that Q-switched Nd:YAG laser and intense pulsed light showed significant improvement with minimal adverse effects; desonide and Cyperus rotundus oil were also notably effective among topical treatments.
This review discusses the complex causal relationships between testosterone exposure and various health outcomes, but notes that the studies reviewed show substantial heterogeneity.
In this study, chitosan hydrogels and delivery systems showed promise in supporting skin recovery post-laser procedures, enhancing topical treatments for acne and melasma, and improving hair density in scalp applications, but limited study sizes and formulation variability restrict generalizability.
January 2025 in “Open Science Framework” This review critically assesses recent evidence (2020-2025) on the effectiveness of regenerative therapies like platelet-rich plasma, photobiomodulation, stem cells, and exosomes for treating androgenetic alopecia, highlighting the challenges physicians face due to commercialization and the evolving regulatory landscape.
January 2023 in “Journal of Cosmetic Dermatology” This review concludes that platelet-rich plasma treatment is effective for androgenetic alopecia, with recommendations for a specific volume, frequency, and duration of therapy for optimal results.
4 citations
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September 2021 in “Biomolecules” This review examines experimental studies on the synergistic use of platelet-rich plasma and adipose-derived mesenchymal stem cells for wound healing in animal models, without reporting new clinical outcomes.
December 2025 in “International Journal of Cosmetic Science” A new tool helps better assess and treat hair loss in Chinese men.
16 citations
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October 2023 in “Molecular cancer” This study reviews the etiology and treatment of skin cancer, focusing on nanotechnology's role in addressing drug resistance and evaluating nanoparticles' potential to improve treatment outcomes, including overcoming multidrug resistance.
9 citations
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June 2025 in “Frontiers in Pharmacology” This review highlights recent advancements in microneedle technology, noting its ability to enhance transdermal drug delivery, biosensing, cancer treatment, and skin disease repair, while emphasizing its potential for improving patient compliance and reducing side effects.
44 citations
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November 2018 in “Journal of applied ecology” This review discusses the use of hair analysis for examining stress and reproduction hormone levels in wildlife and highlights the need for more comprehensive physiological validations across species.
February 2026 in “Cosmetics” This review highlights that Trigonella foenum-graecum L. (fenugreek) shows promise as a versatile plant-based ingredient in cosmetics due to its phytochemicals, which offer benefits for skin and hair care, although further research is necessary for robust validation.
848 citations
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October 2020 in “International Journal of Molecular Sciences” This review discusses the potential of platelet-rich plasma applications in regenerative medicine and explores recent progress and challenges in translating non-clinical PRP findings into human treatments, but reports no new clinical results.
25 citations
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August 2024 in “Virtual and Physical Prototyping” This review outlines various 3D bioprinting techniques and bioinks used for creating artificial tissues and organs, emphasizing their potential in addressing organ transplant shortages and advancing drug testing, while acknowledging existing challenges and future prospects.
17 citations
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December 2024 in “Journal of Cosmetic Dermatology” This source highlighted the promising potential of polynucleotides in aesthetic medicine but emphasized the need for rigorous, high-quality studies to validate their effectiveness and safety.
15 citations
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October 2019 in “BMJ Open” This protocol outlines a nationwide study to investigate the prevalence of metabolic and reproductive abnormalities, anxiety, and depression in Brazilian women with polycystic ovary syndrome, aiming to inform public health strategies.
12 citations
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September 2024 in “Journal of the European Academy of Dermatology and Venereology” This review identified several changeable psychosocial factors, like acceptance, as potential targets for interventions aimed at reducing self-stigma and improving mental health in affected individuals.
8 citations
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June 2023 in “Journal of clinical medicine” This study reviews the use of nanofat in facial rejuvenation and cosmetic surgery, highlighting its potential for improving skin appearance and treating conditions like wrinkles and acne scars, yet emphasizes the need for further research into its long-term efficacy and safety.
5 citations
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August 2023 in “Preprints.org” This review outlines recent advancements in droplet-based microfluidics used with food-grade materials to create delivery systems, emphasizing the design and function of systems like emulsions and microcapsules while discussing challenges related to scaling these processes from lab to industry.
2 citations
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June 2025 in “International Journal of Molecular Sciences” In this study, Carthamus caeruleus root juice exhibited in vitro anti-inflammatory effects by stabilizing human erythrocyte membranes and inhibiting albumin denaturation, as well as showing potential inhibition of COX-2 through in silico analysis; however, further research is needed to confirm efficacy and mechanisms.
2 citations
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June 2024 in “Journal of Plastic Reconstructive & Aesthetic Surgery” This study reported that laser hair removal for hairlines can lead to unsatisfactory, unnatural appearances in some patients, with hair transplantation successfully improving the aesthetic outcome for those affected.
1 citations
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August 2025 in “Biology Direct” This review discusses the evolution of adipose tissue research in regenerative medicine, from tissue transfer to cell-free bioengineering applications, highlighting its therapeutic potential, current limitations, and future directions.
1 citations
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July 2025 in “Stem Cell Research & Therapy” In this study, researchers evaluated hair follicle transplantation techniques and reported that challenges such as limited follicle supply and low follicle survival rates often limit patient satisfaction, but advances in regenerative medicine may offer promising new solutions.
1 citations
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December 2023 in “Diagnostics” This review discussed the variability in measuring serum testosterone levels and emphasized the need for standardizing testing and sharing updated treatment protocols to manage male hypogonadism effectively. It also highlighted the importance of considering secondary hypogonadism causes and suggested consulting with endocrinologists for optimal management.
July 2026 in “Preprints.org” This review outlines the optimization of platelet concentrates for hair loss treatment and suggests extracellular vesicles as a key future element, aiming to advance point-of-care regenerative therapies despite the need for a unified framework and further research on underlying mechanisms.
May 2026 in “European Burn Journal” This systematic review concluded that the scalp can be a safe and effective donor site for split-thickness skin grafts in pediatric burn patients, with evidence indicating good scar quality and manageable complications, though a rigorous technique is essential to minimize risks.
January 2026 in “Western Journal of Nursing Research” This study found that collecting hair samples for cortisol analysis is feasible in community-dwelling individuals with longstanding multiple sclerosis, although no significant correlation between hair cortisol levels and perceived chronic stress was observed, highlighting the complexity of stress measurement in this population.
January 2026 in “Journal of Clinical Medicine” This study reviewed literature on the use of robotic systems in plastic and reconstructive surgery, highlighting their application in various procedures despite the predominance of descriptive case reports and a lack of comparative clinical outcomes and long-term data.