January 2016 in “프로그램북(구 초록집)” This study found that growth factor cocktail treatment including FGF9, combined with microneedling, significantly improved hair density in androgenetic alopecia patients compared to treatment with regular GFC or normal saline.
February 2026 in “International Journal of Cosmetic Science” This study found that a novel Mito-Activator Complex, containing nicotinamide and epigallocatechin gallate, significantly increased hair density and growth in a 6-month human trial, with no adverse effects reported, potentially offering a new approach to hair loss treatment through mitochondrial activation.
33 citations
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January 2021 in “Aesthetic Surgery Journal” This review suggested that low-level light therapy using red/near-infrared light could be a safe and effective treatment for various skin and hair conditions, though more robust trials are needed to solidify its clinical utility.
February 2026 in “SHILAP Revista de lepidopterología” This study demonstrated that engineered exosomes loaded with growth factors, EGF and FGF, could successfully repair the hair follicle microenvironment in an androgenetic alopecia mouse model, enhancing hair growth without causing adverse immune reactions or toxicity.
January 2026 in “Chemical Engineering Journal” In this study, researchers developed a programmable system using engineered nanovesicles from hair follicle stem cells to modulate immune responses, which showed promise in precisely controlling inflammation, promoting immune balance, and accelerating wound healing, particularly for infected wounds.
September 2025 in “Frontiers in Medicine” This study assessed the effectiveness of various combinations of minoxidil with other agents for androgenetic alopecia, finding that platelet-rich plasma and basic fibroblast growth factor combined with minoxidil significantly increased hair density, while different combinations were optimal depending on gender.
September 2025 in “medRxiv (Cold Spring Harbor Laboratory)” This study found that applying a topical scalp essence with Centella asiatica extracellular vesicles and growth factors significantly improved scalp health and hair growth compared to a placebo after 56 days.
May 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that hair with lower levels of keratin associated proteins reduced the foreign body response in mouse subcutaneous implant tests compared to hair with higher keratin levels.
January 2020 in “eScholarship (California Digital Library)” This study used multi-scale hybrid models to explore how signaling factors affect skin wound healing and embryo development, suggesting that different levels of fibrin clot density influence scar formation.
128 citations
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October 2011 in “Development” This study found that adult mouse dermis can be reprogrammed by epidermal cues to resemble neonatal dermis, with changes in fibroblast proliferation and extracellular matrix composition.
48 citations
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January 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” This study identified chemokine receptor ligands cxcl10 and cxcl11 as new hair-specific transcriptional targets of the Eda pathway, suggesting chemokine signaling plays a role in primary hair follicle patterning.
36 citations
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October 2015 in “Journal of Cosmetic Dermatology” In this study, a new apple stem cell extract serum significantly improved signs of skin aging and enhanced cell metabolism in human senescent fibroblasts, showing visible effects after one week of use.
October 2021 in “Journal of Investigative Dermatology” In this study, researchers found that using a novel Leontopodium alpinum (Edelweiss) extract led to increased hair density and prolonged anagen phase in both ex vivo human hair follicles and a 5-month clinical trial, suggesting potential as an anti-hair loss treatment.
January 2019 in “Springer eBooks” Modified HDL can better deliver drugs and genes, potentially improving treatments and reducing side effects.
13 citations
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July 2016 in “BMC Complementary and Alternative Medicine” In this study, topical application of Hominis Placenta significantly promoted hair regrowth and increased hair density in C57BL/6 mice, suggesting its potential as a treatment for alopecia.
January 2026 in “Dermatologic Therapy” This study found that treatment with human foreskin fibroblast conditioned medium improved both objective measures like hair density and subjective satisfaction in patients with androgenetic alopecia.
July 2023 in “International journal of trichology” In this randomized controlled trial, researchers found that Cellcurin therapy significantly increased hair density, terminal hair, and vellus hair counts in men and women with androgenetic alopecia, compared to minoxidil control, over 12 weeks.
January 2020 in “프로그램북(구 초록집)” This study found that treating androgenetic alopecia patients with microneedle-delivered GFC containing FGF5s and NMN increased hair density and diameter compared to normal saline.
In this randomized clinical trial, the use of Cellcurin serum for 12 weeks was associated with a significant increase in hair density and terminal hair thickness in individuals with androgenetic alopecia.
August 2024 in “Nature Communications” This study found that in female mice, softer, lightly crosslinked gelatin-based hydrogels promoted better wound healing with less scarring and inflammation compared to stiffer, heavily crosslinked hydrogels, affecting immune and stromal cell behavior.
February 2026 in “International Journal of Nanomedicine” This study demonstrated that engineered exosomes carrying EGF and FGF restored hair density and follicle integrity in an androgenetic alopecia mouse model by reactivating hair follicle growth factors, offering a novel therapeutic approach without immunogenic reactions or systemic toxicity.
41 citations
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May 2012 in “Advanced Healthcare Materials” This study found that human hair keratin coatings enhanced adhesion and proliferation of L929 mouse fibroblasts compared to uncoated and collagen type 1 surfaces, suggesting keratin's potential as a surface coating for cell cultures.
May 2024 in “Journal of cosmetic dermatology” This study investigated the effects of heat-treated Limosilactobacillus fermentum LM1020 on hair growth and reported increased hair density, improved cellular activity, and beneficial scalp microbiota changes in patients with androgenetic alopecia over 24 weeks.
September 2017 in “Korean journal of acupuncture” This study found that Crataegi Fructus water extract may promote hair growth in mice by enhancing hair density, thickness, and length and activating the Wnt/β-catenin signaling pathway.
This study found that depleting fibroblasts in the skin does not affect the proliferative capacity of epidermal stem cells at various ages, suggesting robust compensatory mechanisms maintain skin functionality despite these cellular changes.
11 citations
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January 2013 in “Journal of the Saudi Society of Dermatology & Dermatologic Surgery” This study found that applying silymarin gel topically on rat wounds improved fibroblast proliferation, collagen formation, and wound closure more than a gel-base alone or no treatment.
1 citations
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December 2022 in “Current Issues in Molecular Biology” This study found that orally administered Annurca apple extract improved hair length, thickness, weight, and density in mice, while also increasing the expression of hair growth-related genes and proteins, suggesting potential as a natural treatment for hair loss.
November 2025 in “Quality in Sport” This review found that hydrolyzed collagen supplementation, particularly marine collagen, improves skin hydration, elasticity, and density while strengthening hair and nails, especially when paired with vitamin C and trace elements; however, more studies are necessary to evaluate long-term efficacy across different sources and demographics.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” This study found that combining minoxidil with platelet-rich plasma and basic fibroblast growth factor was the most effective treatment for increasing hair density in androgenetic alopecia, showing a significant improvement over minoxidil alone.
February 2025 in “Folia Medica” In this experimental study, hyaluronic acid injections in BALB/c mice improved wound healing by increasing fibroblast numbers, collagen density, and epithelium thickness, while also enhancing hair growth, suggesting potential benefits for scar prevention in sutured incisions.