April 2018 in “Journal of Investigative Dermatology” Researchers found a substance in chicken egg yolk that helps hair grow.
March 2012 in “EFSA Journal” Iron intake has not been proven to maintain normal hair growth.
March 2000 in “Preventive Nutrition and Food Science” Whalgichan improved hair growth, reduced hair loss, and enhanced cholesterol and lipid metabolism without side effects.
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
May 2026 in “International Journal of Drug Delivery Technology” Combining Emblica officinalis with minoxidil significantly boosts hair growth.
September 2025 in “Journal of Drug Delivery and Therapeutics” Targeting hair follicles can effectively promote hair growth and treat hair disorders.
September 2025 in “Acta Scientific Pharmaceutical Sciences” Rice water may improve hair strength, shine, and growth, but more research is needed.
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.
July 2023 in “Frontiers in veterinary science” Certain long non-coding RNAs are important for controlling hair growth cycles in sheep.
June 2023 in “Trichology and cosmetology:” Ageratum Conyzoides, when taken orally, can effectively reduce hair loss and improve hair growth.
June 2015 in “Vestnik dermatologii i venerologii” Growth factors influence hair growth and hair loss.
January 2004 in “Enshou saisei” Follistatin is important for hair growth and could help treat hair loss.
February 2021 in “Dermatologic Therapy” Injections improve hair growth, density, and thickness in women safely.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” M2 macrophages help hair regrowth in wounds by making growth factors.
15 citations
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July 2016 in “Biochemical Journal” Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.
6 citations
,
February 2012 in “American Journal of Animal and Veterinary Sciences” Growth factors are crucial for hair follicle growth and development.
51 citations
,
January 2003 in “Hormone Research in Paediatrics” Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.
23 citations
,
January 2020 in “Frontiers in Pharmacology” Dihydrotestosterone affects hair growth by changing the Wnt/β-catenin pathway, with low levels helping and high levels hindering growth.
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.
211 citations
,
October 2001 in “The FASEB Journal” Noggin is necessary to start the hair growth phase in skin after birth.
136 citations
,
February 2017 in “International Journal of Molecular Sciences” PRP treatment improves hair growth, and the device used can affect results, with some being more effective.
39 citations
,
March 2008 in “Growth hormone & IGF research” Raspberry ketone may help grow hair and improve skin elasticity.
37 citations
,
April 2017 in “npj Regenerative Medicine” PDGF signaling is crucial for maintaining and renewing hair follicle stem cells, which could help treat hair loss.
32 citations
,
May 2018 in “Cell Cycle” Melatonin helps Cashmere goats grow more hair by affecting certain genes and cell pathways.
32 citations
,
February 2024 in “Growth Hormone & IGF Research” Dihydrotestosterone (DHT) stops hair growth in mice by lowering a growth factor important for hair.
27 citations
,
November 2005 in “Archives of Dermatological Research” Choosing hair follicles at the same growth stage leads to more consistent hair growth experiments.
21 citations
,
October 2011 in “British Journal of Dermatology” Testosterone therapy helped 63% of androgen-deficient women grow scalp hair, but more research is needed.
19 citations
,
May 2020 in “Cells” Substance from human umbilical cord blood cells promotes hair growth.
7 citations
,
November 2013 in “Pediatric and Developmental Pathology” Over half of the children had abnormal hair under a microscope, with many having genetic hair conditions.
4 citations
,
October 2020 in “Animal Bioscience” Using cans with beans improves Rex rabbits' growth, meat quality, and hair follicle density.