100 citations
,
April 1990 in “The Journal of Clinical Endocrinology & Metabolism” The ovary mainly causes high testosterone in PCO, while the adrenal gland is the main source in IH.
76 citations
,
April 2013 in “PLoS ONE” Chronic stress can cause hair loss by increasing oxidative stress, but antioxidants may help.
70 citations
,
February 2017 in “Dermatologic Surgery” Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
39 citations
,
March 2009 in “Archives of Dermatological Research” Apigenin may help promote hair growth and could treat hair loss.
29 citations
,
March 2015 in “Journal of Investigative Dermatology” Cyclosporine A promotes hair growth and prolongs the active growth phase in human hair follicles, but may work differently than in rodents.
27 citations
,
June 2023 in “Nature” Senescent melanocytes can boost hair growth by activating hair stem cells.
27 citations
,
February 2005 in “Journal of Cellular Biochemistry” Male cells need DHT to respond to testosterone, while female cells do not.
26 citations
,
March 1987 in “Journal of the American Academy of Dermatology” Minoxidil helps hair regrowth by stimulating hair follicles and reducing immune responses.
19 citations
,
April 2015 in “Stem Cells” Pro-IGF-II improves muscle repair in old mice.
18 citations
,
January 2007 in “Pharmaceutical Biology” Citrullus colocynthis extract is effective for hair growth, comparable to minoxidil.
15 citations
,
January 2016 in “Sustainable development and biodiversity” Using PGPR as biofertilizers can improve soil health and plant growth while reducing reliance on synthetic fertilizers.
12 citations
,
October 2017 in “Journal of Cosmetic Dermatology” Combining plasma rich in growth factors with hair transplant surgery may lead to faster recovery and better outcomes for hair loss treatment.
12 citations
,
February 2016 in “Biochemical and Biophysical Research Communications” Sulforaphane may help with hair growth by breaking down a hormone that causes hair loss.
5 citations
,
January 2007 Citrullus colocynthis extracts may promote hair growth as effectively as minoxidil.
4 citations
,
September 1971 in “Crop Science” Crownvetch seed leachate stunts seedling growth due to toxic compounds.
3 citations
,
May 2024 in “International Journal of Women’s Dermatology” Over-the-counter hair growth products may cause frontal fibrosing alopecia due to allergens.
3 citations
,
September 2022 in “Molecules” Camellia seed cake extract may help hair growth by blocking the hair loss effects of a hormone called DHT.
3 citations
,
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” CBD can either promote or inhibit hair growth depending on the concentration used.
3 citations
,
January 2014 Collagen XVIII and Bmx tyrosine kinase are important for hair growth and skin cancer development.
2 citations
,
March 2023 in “Biomedicine & pharmacotherapy” Platelet lysate effectively promotes hair growth and improves hair thickness in people with androgenetic alopecia.
1 citations
,
August 2025 in “Journal of Human Immunity” Minoxidil helps restore thymus size in 22q11.2 deletion syndrome.
1 citations
,
November 2023 in “Rice” PRX102 is essential for rice root hair growth by helping transport substances to the tips.
1 citations
,
April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” mTORC1 activity is important for hair growth and color, and targeting it could help treat hair loss and greying.
November 2025 in “Journal of Investigative Dermatology” NUL-5 may boost hair growth by improving hair follicle health and structure.
October 2025 in “International Journal of Advanced Research in Science Communication and Technology” Minoxidil effectively promotes hair growth, especially in a 5% solution, but requires continuous use.
April 2025 in “Regenerative Therapy” Platelet-rich plasma-derived exosomes can help regrow hair by activating a specific signaling pathway.
March 2025 in “Molecular Medicine” Cholesterol helps hair grow by activating nerves and boosting hair follicle stem cells.
November 2024 in “Research Square (Research Square)” Lipids may help treat hair loss by promoting hair growth through the HIF-1 pathway.
June 2023 in “Research Square (Research Square)” Cupric citrate improves growth, nutrient use, and gut health in broilers.
June 2023 in “Clinical and Experimental Dermatology” Gender-affirming hormone therapy changes hair growth in transgender people, with feminizing therapy reducing hair and masculinizing therapy increasing it, but sometimes additional treatment is needed.