November 2023 in “Materials Today Bio” In this study, researchers developed a novel temperature-sensitive biopolymer-based drug delivery system that enhanced the transdermal delivery of ISX9, a neurogenesis inducer, resulting in more effective hair follicle regrowth and signal pathway activation in vivo compared to traditional topical application.
214 citations
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September 2015 in “Stem Cells Translational Medicine” This study found that platelet-rich plasma injections significantly increased hair count and density in patients with male pattern hair loss without major side effects, suggesting it may be a safe and effective treatment option.
10 citations
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August 2023 in “Advanced Science” This review discusses nitric oxide's physiological roles and the development of strategies for delivering it exogenously, without presenting new clinical results.
15 citations
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February 2003 in “British Journal of Dermatology” This study demonstrated that using morphometric and 3D reconstruction software to evaluate scalp biopsies in non-cicatricial alopecias may be feasible and sensitive for detecting subtle follicular changes.
55 citations
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July 2016 in “Dermatologic Therapy” This article reviews treatment options for androgenetic alopecia and suggests that therapy should be personalized and targeted at various pathophysiological aspects, but reports no new clinical findings.
3 citations
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June 2017 in “Journal of Biomaterials Applications” This study demonstrated that keratin extract can stimulate hair growth by inducing the anagen phase in telogenic mice.
8 citations
,
January 2020 in “Skin Pharmacology and Physiology” This article discusses the potential for topical caffeine as a natural alternative for treating androgenetic alopecia due to its ability to penetrate skin, but it reports no new clinical findings.
1 citations
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April 2020 in “Clinical, Cosmetic and Investigational Dermatology” In this study, topical acyclovir significantly delayed hair growth initiation and completion in mice and reduced hair follicle size, suggesting potential inhibitory effects on hair growth.
26 citations
,
May 2015 in “Lasers in Surgery and Medicine” This study concluded that ablative fractional lasers may induce hair regrowth in mice by activating the Wnt/β-catenin pathway.
20 citations
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October 2018 in “Aesthetic Plastic Surgery” This review discusses the potential mechanisms of platelet-rich plasma in facial rejuvenation and reports no new clinical results, indicating a theoretical basis for its use in tissue regeneration.
7 citations
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July 2019 in “International Journal of Molecular Sciences” This study found that PGA-4HGF nanoparticles enhanced hair growth in mice more effectively than 4HGF alone by increasing anagen phase duration and dermal papilla cell proliferation.
December 2025 in “The Journal of Basic and Applied Zoology” This study found that the prenatal skin development in Red Sokoto goats undergoes significant morphological changes across gestational stages, which may be important for their adaptation and thermoregulation after birth.
159 citations
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November 2007 in “American Journal of Pathology” In this study, researchers found that substance P triggered premature catagen development and immune changes in human scalp hair follicles, providing a possible biological link between stress and hair loss conditions like telogen effluvium and alopecia areata.
14 citations
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March 2015 in “Clinical and Experimental Dermatology” In this study, human placenta extract was observed to enhance the hair-growth-promoting effects of minoxidil and stimulate earlier and prolonged anagen phases in a mouse model.
22 citations
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February 2008 in “Journal of Dermatological Science” This research found that spontaneous and depilation-induced hair growth result in biologically distinct telogen phases in murine skin, with variations in thickness, pigment content, and hair follicle composition.
30 citations
,
September 2003 in “Experimental Dermatology” In this study on a murine model, researchers observed that a 5% minoxidil solution reduced stress-induced changes in hair growth, suggesting its potential for managing stress-related hair loss in humans.
July 2026 in “International Journal of Drug Delivery Technology” This study found that a combination of curcumin and piperine demonstrated moderate antioxidant activity, negligible cytotoxicity, and significant potential for promoting hair regrowth in rat models of alopecia, suggesting it could be a safe and effective natural alternative for managing hair loss.
40 citations
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March 2018 in “Aesthetic Surgery Journal” This study found that a single injection of platelet-rich stroma significantly increased hair density in men with androgenetic alopecia within 6 to 12 weeks, with no reported side effects.
3 citations
,
January 2021 in “Applied sciences” This study found that in C57BL/6 mice, treatment with fermented red ginseng marc, a traditional polyherb formula, or a combination of both, promoted hair growth by enhancing the hair-growth cycle.
1 citations
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January 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” This study suggests that Dicer, but not Tarbp2, plays a crucial role in regulating the growth phase of hair follicles in bulge stem cells during post-natal development in mice.
March 2024 in “Medical lasers” Multiple-wavelength radiation helps hair grow by boosting early hair follicle development.
27 citations
,
December 2013 in “Endocrinology” This study established a mouse model for Cushing's syndrome due to a specific Crh mutation, which may help explore the effects of glucocorticoid excess and evaluate treatments for corticosteroid-induced osteoporosis.
54 citations
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June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” This speculative review discusses hair cycle-dependent fibroblast dynamics and possible impacts on human hair growth, synthesizing current literature without presenting new clinical findings.
2 citations
,
December 2014 in “Research & Reviews: Journal of Pharmacy and Pharmaceutical Sciences” This study found that a pet ether extract of Daucus carota promoted hair growth by inducing and prolonging the anagen phase in albino rats, surpassing the effects of 1% minoxidil.
December 2014 in “Research and Reviews: Journal of Pharmacology and Toxicological Studies” This study found that applying pet ether extract of Brassica oleracea to rats' skin promoted earlier and longer anagen phases in hair growth, outperforming 1% minoxidil.
174 citations
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April 2005 in “The American journal of pathology (Print)” This study found that TRPV1 activation in human scalp hair follicles inhibited hair shaft elongation, suppressed proliferation, and induced apoptosis, suggesting TRPV1 as a potential target for managing hair growth and epithelial disorders.
106 citations
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June 2005 in “Journal of Investigative Dermatology” This study defines classification criteria for hair follicle dystrophy using a mouse model of chemotherapy-induced alopecia, providing tools for standardized hair damage assessment.
92 citations
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June 2005 in “Journal of Investigative Dermatology” This study found that the retinoid all-trans retinoic acid induced a catagen-like stage in human scalp hair follicles, suggesting upregulation of TGF-beta2 as a contributing mechanism.
26 citations
,
October 2007 in “Experimental Dermatology” This study found that l-carnitine stimulated hair growth in vitro by promoting proliferation and reducing apoptosis in human scalp hair follicles, suggesting potential as a treatment for hair loss.
20 citations
,
July 2013 in “PLoS ONE” This study found that inhibiting EGFR signaling in mice can prevent alopecia caused by cyclophosphamide treatment, highlighting its potential role in managing chemotherapy-induced hair loss.