287 citations
,
March 1999 in “The Plant Journal” This study found that disrupting the microtubule cytoskeleton in Arabidopsis root hairs caused loss of growth directionality and suggested microtubules interact with calcium gradients to regulate apical growth stability.
12 citations
,
April 2022 in “Frontiers in Cell and Developmental Biology” This study found that stabilizing β-catenin in a specific mouse model led to temporarily increased hair density but ultimately accelerated hair follicle aging and hair thinning.
February 2026 in “Journal of Cosmetic Dermatology” This study found that microneedling, alone or combined with drugs, was effective in reducing hair loss severity and increasing hair density in male androgenetic alopecia patients, with the combination therapy showing more significant results for moderate to severe cases.
May 2025 in “Indian Journal of Pharmacology” In this study, researchers reported that standardized rosemary and capsicum extracts significantly improved hair growth parameters such as follicle density, length, and diameter in rats with testosterone-induced alopecia, suggesting these extracts may aid in more effective natural treatments for androgenetic alopecia.
August 2024 in “Nutrients” This study found that a combination of probiotic strains of Lactiplantibacillus administered over 16 weeks reduced the number and density of telogen hairs in individuals with androgenic alopecia, while increasing the abundance of Lactobacillus in their gut microbiota.
40 citations
,
August 2018 in “Skin appendage disorders” This review examines complementary and alternative medicine for alopecia and finds limited support from robust clinical trials, highlighting the need for standardized studies to evaluate efficacy and safety.
8 citations
,
January 2007 in “International Society of Hair Restoration Surgery” This article discusses the concept of using a centralized forelock presented by Manny Marritt nearly 14 years ago, and reports no new clinical results.
479 citations
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January 2005 in “BioEssays” This review introduces the morphological and molecular principles of hair follicle development but reports no new experimental results, focusing on recent insights and forming a working hypothesis.
131 citations
,
January 2018 in “Scientific Reports” In this study, mycorrhizal fungal inoculation was associated with increased root-hair growth and enhanced drought tolerance in trifoliate orange by modulating auxin synthesis and transport under water stress conditions.
61 citations
,
May 2014 in “International journal of pharmaceutics” This research describes a process for producing caffeine nanocrystals, which may enhance skin penetration by accumulating in hair follicles and maintaining stability for two months, paving the way for in vivo testing.
28 citations
,
January 2022 in “PLoS ONE” This study reports that a sarcoptic mange outbreak, likely originating from mange-infected llamas from a governmental program, dramatically reduced vicuña and guanaco populations in San Guillermo National Park, Argentina.
5 citations
,
April 2018 in “Chem” This study introduced a novel graphene-based hair dye that is non-reactive, non-invasive, and eliminates toxic chemicals, while providing durable color, antistatic properties, and efficient heat dissipation, even after 30 washes.
2 citations
,
February 2025 in “PLoS ONE” This study used TMT-based quantitative proteomics to analyze the development of secondary hair follicles in fetal sheep, revealing increased follicle density and key proteins involved, such as COL1A1 and THBS4, indicating their potential role in wool quality traits.
In this network meta-analysis, the researchers reported that topical minoxidil 5% was the most effective off-label therapy for increasing hair density in men with androgenetic alopecia, while other treatments like melatonin and cetirizine showed potential benefits, highlighting a need for further comparative trials.
May 2026 in “Frontiers in Pharmacology” In this study, DOP treatment improved hair regrowth in androgenetic alopecia by altering local steroid metabolism and follicular morphology.
February 2024 in “ACS Omega” This study found that the topical Shen Bai hair growing decoction may improve androgenetic alopecia in mice by suppressing TNF-α and IL-6 levels, enhancing follicle density, and reducing apoptosis.
November 2023 in “Biomolecules” In this study involving genetically modified rats, researchers observed that specific mutations in the vitamin D receptor affect calcium levels and bone formation, emphasizing the receptor's role in maintaining healthy bone density and its importance in regulating hair cycle and skin health.
January 2023 in “Journal of applied animal research” This study found that short-day photoperiod treatment in Shanbei white cashmere goats enhanced cashmere growth, increased secondary follicle density, and altered hormone levels and gene expression related to hair follicle development.
This study found that ocu-miR-205 promotes the apoptosis of dermal papilla cells and the transformation of hair follicles from growth to regression and resting phases in Rex rabbits.
May 2018 in “International journal of cell science & molecular biology” This article discusses the biology of cosmetic aging and the chemical pathways involved, emphasizing research advancements that aid clinicians in rejuvenating skin and increasing scalp hair density, but it provides no new results.
September 2011 in “Clinical Biochemistry” This article discusses how recent research suggests that aggressive video games have little effect on aggression and violence among players, calling for professional organizations to update their policy statements accordingly.
1 citations
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November 2015 in “Indian Journal of Clinical Biochemistry” The conference presented findings on how vitamin D levels, genetic factors, and lifestyle choices like smoking and yoga affect various health conditions and diseases.
July 1998 in “Dermatologic Surgery” Various techniques and tools for hair restoration were presented in 1998, including a mathematical model for donor area, use of lasers in surgery, methods for controlling grafted hair direction, and ways to increase graft yield. Satisfaction rates were around 39%, and studies showed trauma and dehydration can damage hair follicles.
12 citations
,
August 2013 in “Facial Plastic Surgery Clinics of North America” This article discusses the surgical technique of hair transplantation in women and offers insights on postoperative care and planning for improved patient outcomes, without presenting new clinical findings.
266 citations
,
November 2013 in “European Journal of Epidemiology” This article outlines the rationale and design of the Rotterdam Study, summarizes its major findings, and updates its objectives and methods; it reports no new research results.
248 citations
,
December 2011 in “Journal of Neuroscience” This study demonstrated that stress-derived neurosteroid THDOC shifts from inhibiting to activating the HPA axis under stress, presenting potential therapeutic targets for stress-related disorders.
62 citations
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December 2013 in “Aaps Journal” This research reported that squarticles, nanoparticles made from sebum-derived lipids, enhanced the follicular delivery and skin accumulation of diphencyprone and minoxidil, indicating effective drug deposition with reduced systemic absorption in alopecia treatment.
55 citations
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June 2013 in “Dermatologic Surgery” This review discusses the use of ablative and nonablative fractional resurfacing for enhanced topical drug delivery in dermatology and reports no new clinical results; further studies are needed to explore these methods.
27 citations
,
February 2017 in “Biomedicine & Pharmacotherapy” This study found that white wax and its extract may promote hair growth in a mouse model of androgenetic alopecia by inhibiting 5α-reductase activity and increasing cell proliferation, with efficacy surpassing finasteride.
26 citations
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September 2018 in “Colloids and Surfaces B: Biointerfaces” This study reported that a novel liposomal formulation, SP-bFGF-SF-LIP, enhanced bFGF stability and skin permeability, significantly improving hair follicle recovery and wound healing in a mouse model.