March 2023 in “Biomedicine & Pharmacotherapy” This study found that GPR40 agonists may promote hair growth by inducing angiogenesis via specific molecular pathways in both cell and animal models, suggesting potential for hair loss treatment.
113 citations
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September 2005 in “Journal of Investigative Dermatology” This study found that a topical hedgehog agonist can stimulate hair growth by promoting the transition from the resting to growth phase of the hair cycle in adult mouse skin.
9 citations
,
July 2014 in “Experimental Dermatology” This study suggests that while PTH rP initially seemed to shorten the hair cycle by transitioning hair follicles from anagen to catagen, more relevant models indicate it ultimately accelerates and stimulates hair growth.
6 citations
,
August 2019 in “PLOS ONE” The researchers reported that Gambogic Amide may prevent hair greying and promote hair growth by maintaining follicle pigmentation in vitro through activation and migration of melanocytes.
October 2024 in “Scientific Reports” This research observed that oxytocin receptor agonists WAY267464 and LIT001 increased hair growth-related gene expression in human dermal papilla cells and significantly promoted hair follicle sprouting in vitro, suggesting their potential as hair growth agents targeting OXTR for alopecia treatment.
1 citations
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February 2022 in “Clinical, Cosmetic and Investigational Dermatology” In this study, researchers found that the thyroxine receptor agonist TDM10842 accelerated the onset of anagen, a hair growth phase, in C3H mice, potentially through activation of the Wnt/beta-catenin and Hedgehog pathways, with Pclaf playing a key role in this process.
July 2025 in “Frontiers in Pharmacology” This study highlights the potential of GPR30 and its selective agonists as promising therapeutic targets for treating hair loss disorders and conditions that respond to estrogen, emphasizing their role in modulating hair growth.
July 2022 in “Journal of Investigative Dermatology” This study found that the cosmetic olfactory receptor agonist cyclohexyl salicylate may stimulate hair growth and expand stem cell progeny, suggesting potential as a cosmetic adjuvant for hair loss.
3 citations
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May 2019 in “Journal of Cosmetic Dermatology” This study suggests that the dipeptide Pro-Ile has FGF18-like activity, can penetrate model human epidermis, and may have potential as a cosmetic ingredient for skin and hair regulation.
34 citations
,
May 1987 in “European Journal of Pediatrics” This study concluded that Buserelin can effectively inhibit gonadal activity in children with central precocious puberty over 18 months, potentially improving final height predictions with prolonged treatment.
February 2026 in “Experimental Dermatology” In human hair follicle cultures, this study found that cyclohexyl salicylate, an OR2A4/7 agonist, promoted hair growth by delaying catagen development and expanding epithelial stem cell progeny, suggesting its potential as a non-drug hair loss treatment.
1 citations
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June 2021 in “Biomolecules & Therapeutics” In this study, researchers found that activating the delta opioid receptor with a specific agonist significantly promoted hair growth in mice, suggesting potential for developing new hair-loss treatments.
July 2025 in “Scientific Reports” This study observed that serotonin signaling promoted hair shaft elongation and upregulated hair growth-related genes in dermal papilla cells, suggesting its potential role in advancing alopecia therapy.
November 2022 in “Journal of Investigative Dermatology” This study reports that activating the bitter taste receptor TAS2R4 with rebaudioside A can inhibit hair growth in human scalp hair follicles by promoting catagen through TGF-β pathway activation.
1 citations
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August 1989 in “Archives of Dermatology” This article reviews recent discoveries about the role of the nitroxide free radical NO in vascular physiology and suggests potential implications for minoxidil's vasodilatory action, but reports no new clinical findings.
July 2024 in “Journal of Investigative Dermatology” JW0061 may be a new treatment for hair loss by promoting hair growth through WNT signaling.
22 citations
,
August 1999 in “Experimental Dermatology” This study found that subcutaneous injections of guanethidine or 6-hydroxydopamine induced premature hair growth in mice, suggesting a role for sympathetic nerves in hair growth control.
19 citations
,
October 2009 in “Bioorganic & Medicinal Chemistry Letters” This study found that a thyroid hormone receptor ẞ subtype-selective thyromimetic was effective in promoting hair growth in mouse and monkey models when applied topically.
11 citations
,
July 2020 in “Journal of Cosmetic Dermatology” This study found that a 1% Sandalore® solution reduced hair shedding and improved hair volume and anagen phase duration in women with telogen effluvium over 24 weeks, compared to placebo.
3 citations
,
October 2018 in “Archives of Dermatological Research” This study suggests that the InlB321/15 protein may accelerate wound healing by increasing cell proliferation and reducing wound closure time in both cell culture and mouse models.
January 2025 in “Journal of the European Academy of Dermatology and Venereology” The study by Godfrey et al. highlights a potential link between GLP-1 receptor agonists, specifically semaglutide and tirzepatide, and the risk of alopecia, emphasizing the need for further investigation and patient awareness.
34 citations
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September 1997 in “Acta Dermato Venereologica” This study found that RXR agonists stimulated human hair follicle growth and survival in vitro, suggesting potential for promoting hair growth in humans.
July 2026 in “JAAD reviews.” This literature review highlights a potential but uncertain link between GLP-1 receptor agonist therapy for type 2 diabetes and obesity and hair loss, with variations among different medications.
112 citations
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February 2001 in “Journal of Investigative Dermatology” This study found that substance P and calcitonin-gene-related peptide have different roles in regulating hair growth in mice, with substance P promoting anagen progression and calcitonin-gene-related peptide inhibiting it.
2 citations
,
December 2024 in “Clinical Endocrinology” This study suggests that persistent symptoms in patients with controlled functioning adenomas may indicate a coexisting PCOS diagnosis, highlighting the need for precise differentiation and timely management of these conditions.
1 citations
,
March 2011 in “Infertility” This chapter discusses common endocrine disorders affecting the pituitary, thyroid, and adrenal glands, and their impact on human fertility, emphasizing practical evaluation and treatment algorithms.
79 citations
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December 1990 in “Clinical endocrinology” This review explores the mechanisms of intratesticular control of steroidogenesis and indicates the need for further controlled studies; it presents no new experimental findings.
53 citations
,
September 2020 in “Stem Cell Research & Therapy” This review discusses strategies to enhance mesenchymal stem cell therapy effectiveness but reports no new clinical results; it highlights the need for improved consistency and efficacy in MSC-based treatments.
43 citations
,
December 2006 in “The American journal of pathology” This study found that Edar signaling plays a role in regulating the hair cycle and apoptosis in hair follicle keratinocytes during the catagen phase in mice.
36 citations
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October 2009 in “Journal of biological chemistry/The Journal of biological chemistry” This study reports that TFM-4AS-1, a selective androgen receptor modulator, promoted bone and muscle growth with reduced effects on reproductive organs in ovariectomized rats.