May 2023 in “General and comparative endocrinology” Monkey hair cortisol levels are not affected by how fast their hair grows.
April 2023 in “Biomedical Journal of Scientific and Technical Research” Indian head cactus extract may help hair grow by boosting important cell activity and gene expression.
September 2021 in “IP Indian Journal of Clinical and Experimental Dermatology” The herbal supplement improved hair growth, density, and strength without side effects.
December 2020 in “Journal of Aesthetic Nursing” Injecting platelet-rich plasma into the scalp stimulates hair growth, increases hair density, and treats hair loss effectively with minimal side effects.
October 2020 in “Journal of Aesthetic Nursing” Platelet-rich plasma (PRP) injections effectively treat hair loss and thinning in both men and women, with high satisfaction and no major side effects.
11 citations
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March 2015 in “Life sciences” Vitamin D3-activated cell byproduct promotes hair growth in mice by increasing blood vessel growth.
November 2018 in “Journal of investigative dermatology, venereology and cosmetology” Biofield Energy Treatment, specifically The Trivedi Effect®, can potentially enhance hair growth by increasing the growth activity of human dermal papilla cells.
November 2025 in “Journal of Investigative Dermatology” AMP-303 injections can increase hair growth in androgenetic alopecia with minimal side effects.
4 citations
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July 2020 in “BMC Complementary Medicine and Therapies” Human placenta helps hair grow back after chemotherapy by blocking cell death and increasing hair follicle growth.
June 2026 in “Frontiers in Cell and Developmental Biology” MicroRNAs can help regenerate hair by influencing stem cells and immune responses, but delivery challenges exist.
March 2023 in “Biomedicine & Pharmacotherapy” GPR40 agonists help hair growth through the protein ANGPTL4.
April 2022 in “Journal of The American Academy of Dermatology” The document suggests that nerve issues might contribute to hair loss and that testing sensation could predict these nerve problems.
April 2018 in “Journal of Investigative Dermatology” Researchers found that the Leptin receptor is a consistent marker for hair follicle dermal cells, which may help future hair research.
April 2018 in “Journal of Investigative Dermatology” Fgf20 is important for the development and regulation of the cells that form the base of hair follicles.
April 2016 in “Journal of Investigative Dermatology” Blocking Prostaglandin D₂ (PGD₂) could help treat hair loss.
May 2005 in “Seminars in Plastic Surgery” The Erbium YAG laser is effective in hair restoration, resulting in high yield and density, but it's not recommended for second replacements or those with good-quality hair.
February 2023 in “Journal of Advanced Research” A new method using Platelet-rich Plasma (PRP) in a microneedle can promote hair regrowth more efficiently and is painless, minimally invasive, and affordable.
April 2026 in “Cosmetics” The formulation significantly increased hair density and thickness safely in people with androgenetic alopecia.
236 citations
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July 2001 in “Trends in Molecular Medicine” Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.
219 citations
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March 2004 in “Journal of The American Academy of Dermatology” 5% and 2% minoxidil solutions effectively promote hair growth and reduce hair loss, with 5% being slightly more effective but having more side effects.
215 citations
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November 2006 in “Journal of The American Academy of Dermatology” Dutasteride more effective for hair growth, but has more side effects than finasteride.
149 citations
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March 2004 in “Journal of Dermatological Science” Minoxidil boosts hair growth by increasing cell production and survival.
107 citations
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December 2013 in “International Journal of Dermatology” The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.
92 citations
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June 2010 in “Journal of The American Academy of Dermatology” Dutasteride 0.5 mg daily improves hair growth safely in men with hair loss.
72 citations
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October 2010 in “Journal of The American Academy of Dermatology” Iron deficiency common in women, not always linked to hair loss; more research needed.
68 citations
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March 2018 in “Biomaterials” Tiny needles with valproic acid can effectively regrow hair.
57 citations
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August 2003 in “British Journal of Dermatology” Minoxidil and pyrithione zinc combo most effectively increases hair density.
55 citations
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May 2017 in “Current stem cell research & therapy” Using fat-derived stem cells for hair loss treatment is safe and effective, improving hair growth and patient satisfaction.
51 citations
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January 2004 in “Skin Pharmacology and Physiology” The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.
50 citations
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December 2010 in “Dermatologic Surgery” Laser treatment can stimulate hair growth for male pattern hair loss.