February 2025 in “Advanced Composites and Hybrid Materials” This study reported that in animal studies of androgenetic alopecia, a biodegradable microneedle patch releasing glutamic acid promoted hair regeneration more effectively than daily minoxidil, with higher hair follicle counts and less frequent dosing, showing the potential for clinical application.
January 2025 in “Institutional Repositories DataBase (IRDB)” This study observed that topical application of maslinic acid stimulated hair growth in mice comparably to minoxidil, possibly through the Wnt/β-catenin pathway and involving ciliary gene activity, highlighting increased levels of trichogenic gene expression and protein levels.
1 citations
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June 2015 in “Journal of anatomy” This study reported that novel kainate derivatives, especially ZCZ90, maintained potency in affecting proprioceptive sensory organ firing, aiding future receptor studies for potential treatment innovations.
January 2026 in “Drug Delivery and Translational Research” This study investigated the integration of crystal engineering and microneedle technology for androgenetic alopecia treatment, finding that microneedles loaded with newly developed Kopexil multicomponent crystals reduced drug diffusion rates in vitro compared to standard formulations.
3 citations
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May 2019 in “Journal of Cosmetic Dermatology” This study found that a 12-week supplementation with MePL, a solution of miliacin encapsulated within polar lipids, significantly reduced hair density in the telogen phase and improved scalp dryness and hair brightness in women with telogen effluvium.
9 citations
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August 2005 in “Experimental Dermatology” In this study, the researchers report that a modified epimorphin-derived peptide shows potential for hair follicle regeneration, especially when used with 1% minoxidil in mice.
July 2025 in “Journal of Investigative Dermatology” In this study, AMP-303 injections demonstrated a trend toward increasing non-vellus hair count in men with mild to moderate androgenetic alopecia, notably showing a 14.5% peak increase at 60 days compared to saline, with effects lasting up to five months.
November 2023 in “International Journal of Pharmaceutics” This study found that a new transdermal drug delivery system using globefish skin collagen peptides and dissolving microneedles effectively promoted hair regrowth in mice with androgenetic alopecia by reducing inflammation and enhancing vascularization.
11 citations
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May 2015 in “Stem Cells Translational Medicine” This study found that megestrol acetate increases the proliferation, migration, and adipogenic differentiation of adipose-derived stem cells through glucocorticoid receptor phosphorylation.
7 citations
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May 2011 in “Hair transplant forum international” This report presents no new clinical results; it discusses the application of ACell MatriStem™, a porcine urinary bladder-derived extracellular matrix, in wound healing.
May 2024 in “Brain disorders” In this animal study, agmatine exhibited a protective effect against seizures related to hormone fluctuations, with results suggesting that its anticonvulsant properties may involve interactions with central neurosteroids in female rats experiencing progesterone withdrawal.
4 citations
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January 2021 in “Current Research in Physiology” This study found that high levels of μ-crystallin in skeletal muscle are associated with greater fat metabolism and a shift in gene expression towards slower muscle function.
6 citations
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August 2016 in “Journal of microencapsulation” This study suggests that a hair lotion containing methyl myristate loaded in cationic niosomes may effectively accelerate pigmentation in aged C57BL/6 mice compared to free methyl myristate.
2 citations
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January 2019 in “Annals of Dermatology” This preliminary study found that Melandrium firmum extract may promote hair growth and inhibit 5α-reductase, suggesting potential as a candidate for treating androgenetic alopecia.
August 2026 in “JURNAL ILMU KEFARMASIAN INDONESIA” This study found that the addition of SPACE peptide significantly enhanced the penetration of amniotic membrane stem cell metabolites in mice, with only very mild irritation observed.
November 2016 in “The Molecular Biology Society of Japan”
15 citations
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September 2008 in “Archives of Dermatological Research” In this study, topical 5% roxithromycin was effective in restoring hair growth in about half of individuals with androgenetic alopecia without causing adverse effects.
16 citations
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April 1998 in “Journal of Investigative Dermatology” ACTH promotes hair growth in mink, but α-MSH does not.
3 citations
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January 2016 in “Journal of cosmetology & trichology” This report suggests that correcting nutritional deficiencies may improve hair quality in patients with Monilethrix and similar hair shaft disorders, though it is not a cure.
February 2019 in “International Journal of Dermatology and Clinical Research” In this study, Nε-(carboxymethyl) lysine was found to weaken hair follicle morphogenesis and inhibit essential cell activities in a model simulating accumulated glycation.
August 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” This preclinical study found that a machine-learning-driven strategy for fabricating microneedles with optimal hardness and rapid dissolution significantly promoted hair regrowth in androgenetic alopecia mice by activating the Wnt/β-catenin pathway, surpassing the effects of minoxidil.
9 citations
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January 2006 in “Cutaneous and ocular toxicology” This study found that L-cystine, D-pantothenat, and miliacin can enhance the metabolic capacity and proliferation of human keratinocytes, with a combination of these additives potentially providing synergistic benefits in growth media.
8 citations
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September 2021 in “EMBO Molecular Medicine” This study found that a 5-mer peptide called P5 promotes hair growth by activating adiponectin receptor 1, suggesting its potential use as a topical treatment for alopecia.
1 citations
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July 2023 in “International Journal of Biological Macromolecules” In this study, researchers developed a composite paste system using minoxidil-loaded nanoparticles and valproic acid, enhanced by roller-microneedles, which significantly stimulated hair regeneration and perifollicular vascularization in an androgenetic alopecia mouse model, reducing side effects compared to traditional treatments.
This study found that a machine-learning-driven strategy helped develop microneedles with high hardness and rapid dissolution, effectively promoting hair regrowth in androgenetic alopecia mice by activating the Wnt/β-catenin pathway, surpassing minoxidil's effects without biosafety risks.
6 citations
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July 2022 in “The FASEB Journal” This study found that methionine supplementation improved hair follicle density in heat-stressed Rex rabbits, likely through various signaling pathways, despite an increase in stress indicators.
3 citations
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January 1982 in “Australian journal of biological sciences” This study found that ethionine significantly inhibited wool growth in sheep, with L- and D-isomers being equally effective, but did not cause hair loss in sucking mice or rats.
April 2018 in “Journal of Investigative Dermatology” In a clinical phase I/IIa study, subcutaneous injections of the peptide FOL-005 increased hair growth by 8% and were safe for treating alopecia.
12 citations
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December 2009 in “Amino Acids” In this study, topical application of α-methylspermidine during the telogen phase in mice induced hair growth by increasing the polyamine pool and mimicking the anagen phase's characteristics.
January 1974 in “Nippon Nōgei Kagakukaishi/Nihon Nougei Kagakkaishi” In this study, L-methionine and L-serine application was observed to have the most significant effect on hair weight and root length, followed by acetyl L-methionine and L-serine, while glutathione inhibited growth.