August 2006 in “Experimental dermatology” Human scalp hair follicles can produce and respond to several hormones, affecting hair growth and pigmentation.
91 citations
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May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
July 2025 in “Dermatology Practical & Conceptual” Hair changes and a high occipital hairline may help diagnose Trichorhinophalangeal Syndrome.
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.
January 2002 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” The extracts were found to promote hair growth.
November 2023 in “International Journal of Women's Dermatology” Hormone replacement therapy may improve hair growth in the frontal hairline of postmenopausal women with hair loss.
4 citations
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September 2020 in “Journal of Cosmetic Dermatology” PRP treatment significantly increased hair density and thickness in male hair loss.
4 citations
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August 2018 in “Facial Plastic Surgery Clinics of North America” Platelet-Rich Plasma (PRP), a protein-rich extract from a patient's blood, shows promise in improving hair density, thickness, and quality, but the best method of use and number of treatments needed for noticeable results are still unclear.
Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.
May 2024 in “Jurnal Penelitian Farmasi dan Herbal” Green tea leaf extract at 7.5% concentration effectively promotes hair growth, similar to minoxidil.
28 citations
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December 2002 in “Der Hautarzt” TrichoScan accurately measures hair growth and loss, showing increased hair counts and thickness with treatment.
3 citations
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January 2019 in “Research journal of pharmacy and technology” The hair tonic with menthol grew longer hair, but both formulas had similar overall hair growth.
November 2024 in “Journal of Investigative Dermatology” Stimulating OR10J1 can promote hair growth and may help treat hair loss.
March 2025 in “Journal of Cutaneous and Aesthetic Surgery” Non-laser devices show promise in treating hair issues, but more research is needed.
April 2018 in “Journal of Investigative Dermatology” Immune cells might contribute to hair loss caused by a specific mutation.
December 2025 in “Aesthetic Cosmetology and Medicine” Personalized hair care is essential for healthy hair and scalp.
30 citations
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February 2017 in “Histochemistry and Cell Biology” TPA promotes hair growth by increasing stem cell activity and activating specific cell signals.
30 citations
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February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
January 2021 in “Springer eBooks” PRP might help with hair growth, but its effectiveness in hair transplants is unclear.
14 citations
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January 2016 in “Biochemical and Biophysical Research Communications” Ginsenoside Re from ginseng may help hair grow by blocking a specific growth-inhibiting pathway.
January 2024 in “Jurnal Ilmiah Ibnu Sina (JIIS) Ilmu Farmasi dan Kesehatan” The F2 hair tonic with shallot extract is effective and stable for hair growth.
January 2017 in “Jikken doubutsu ihou/Jikken doubutsu/Experimental animals/Jikken Dobutsu” Mice with a changed Hr gene lose and regrow hair due to changes in the gene's activity.
July 2023 in “Research journal of pharmacy and technology” The hair tonic with Capsicum frutescens extract helps hair grow in male rabbits.
98 citations
,
December 2003 in “The FASEB Journal” Thymosin β4 promotes hair growth by activating stem cells in hair follicles.
April 2022 in “Dermato Mag” Triphasic Progressive is more effective against hair loss.
10 citations
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February 2008 in “Photochemistry and photobiology” Vitamin D receptor can control the hairless gene linked to hair loss even without vitamin D.
August 1993 in “Journal of Dermatological Science” April 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
YH0618 helps reduce chemotherapy-induced hair loss by targeting specific proteins and pathways.
10 citations
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August 2020 in “Journal of Bioscience and Bioengineering” Platelet-rich plasma can potentially improve hair regeneration by increasing follicular gene expression and hair growth activity.