15 citations
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July 2019 in “Journal of Investigative Dermatology” CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.
14 citations
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February 2021 in “International Journal of Pharmaceutics” Deer antler velvet serum helps hair grow and is safe for skin.
14 citations
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April 2016 in “Cell Transplantation” Neural stem cell extract can safely promote hair growth in mice.
14 citations
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March 2015 in “Clinical and Experimental Dermatology” Human placental extract and minoxidil together significantly promote hair growth.
12 citations
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May 2019 in “Aesthetic Surgery Journal” Platelet-Rich Plasma and stem cell therapy can increase hair count and density, but the best method for preparation and treatment still needs to be determined.
12 citations
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June 2011 in “Han-guk sikpum gwahakoeji/Han'gug sigpum gwahag hoeji/Han-guk sikpum gwahak hoeji” Lactobacillus plantarum-fermented plant extracts promote hair growth and thickness.
9 citations
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January 2021 in “RSC Advances” Non-thermal plasma helps hair grow by improving the area around hair follicles.
8 citations
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June 2019 in “Journal of Ginseng Research” Gintonin-enriched fraction promotes hair growth and could be a potential alopecia treatment.
8 citations
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January 2019 in “Experimental Dermatology” The 3D skin model is better for hair growth research and testing treatments.
7 citations
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July 2019 in “International Journal of Molecular Sciences” PGA-4HGF may help treat hair loss by activating hair growth pathways and extending the hair growth phase.
6 citations
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January 2016 in “Evidence-based Complementary and Alternative Medicine” Boiling and fermenting certain herbs can help hair grow by activating hair growth genes and pathways.
5 citations
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November 2020 in “Frontiers in Cell and Developmental Biology” The "Two-Cell Assemblage" assay is a new, simple method to identify substances that may promote hair growth.
4 citations
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August 2020 in “Journal of Cosmetic Dermatology” QR 678 and QR678 Neo treatments are effective for hair loss in women with PCOS.
3 citations
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June 2017 in “Journal of Biomaterials Applications” Keratin extract from human hair was found to promote hair growth in mice.
2 citations
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June 2005 in “Clinical Oncology” A man's bald spot grew hair after starting cancer treatment with gefitinib.
1 citations
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April 2019 in “Advances in Cosmetic Surgery” Platelet-rich plasma shows potential for hair growth, but more research is needed to determine the best preparation method.
January 2026 in “American Journal of Medical and Clinical Research & Reviews” Different wavelengths of LED light are needed to treat different types of hair loss effectively.
November 2025 in “International Journal of Innovative Research in Technology” Hormones significantly affect hair growth and loss, requiring personalized treatment.
April 2024 in “Lasers in medical science” Near-infrared LED light improves skin rejuvenation and hair growth better than white LED light.
September 2023 in “Journal of microbiology and biotechnology” A type of collagen helps hair grow by boosting cell growth and activating a specific hair growth pathway.
January 2021 in “Journal of cosmetology & trichology” L-(+)-Tartaric Acid may help increase certain hair growth genes without harming cells.
September 2017 in “Journal of Investigative Dermatology” Blue light helps hair growth by affecting specific proteins in hair follicle cells.
June 2014 in “Journal of biomedical research” Sargassum fusiforme extracts help promote hair growth.
194 citations
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March 2003 in “American Journal of Pathology” Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.
127 citations
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December 2005 in “Experimental Dermatology” Stress can stop hair growth in mice, and treatments can reverse this effect.
112 citations
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July 1998 in “Journal of Investigative Dermatology” Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.
107 citations
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September 2002 in “Journal of Investigative Dermatology” Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.
102 citations
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October 1996 in “Dermatologic Clinics” Photographic documentation crucial for evaluating hair growth in androgenetic alopecia.
86 citations
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February 2003 in “Journal of The American Academy of Dermatology” New methods improve how we test hair growth treatments, but challenges like slow hair changes and high costs remain.
81 citations
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February 1997 in “Journal of Investigative Dermatology” Minoxidil boosts hair growth by activating PGHS-1.