Garlic can help hair grow by activating certain growth pathways, and it works whether you eat it or apply it to your scalp.
53 citations,
March 2014 in “Growth Hormone & IGF Research” IGF-1 injections help mice grow more hair by increasing cell growth and blocking a hair growth inhibitor.
June 2017 in “Experimental and Therapeutic Medicine” The anti-CXCL4 antibody helps mice grow hair faster and prevents hair loss.
81 citations,
December 2009 in “Journal of Dermatological Science” Fat tissue stem cells may help increase hair growth.
4 citations,
April 2021 in “Experimental Dermatology” Antibiotics might affect hair growth by changing the bacteria in hair follicles.
8 citations,
February 2021 in “Biomolecules & therapeutics” Myristoleic acid helps hair growth by boosting cell growth and recycling processes in hair follicle cells.
24 citations,
January 2003 in “Journal of Investigative Dermatology” Blocking a specific receptor slows down hair loss in mice.
9 citations,
April 2006 in “American Journal of Pathology” SGK3 is essential for proper hair growth and health.
2 citations,
December 2013 in “Xenobiotica” Finasteride metabolites found in pigs match human studies, making pigs a valid model for human drug research.
17 citations,
May 2011 in “Gene Therapy” Using polyethylenimine-DNA to deliver the hTERT gene can stimulate hair growth and may be useful in treating hair loss, but there could be potential cancer risks.
1 citations,
April 2018 in “Journal of dairy science” Dairy cows' skin and hair follicles change size and growth phase around the time they give birth.
15 citations,
May 2020 in “BMC complementary medicine and therapies” Polygonum multiflorum extract helps hair grow longer and fights the effects of hormones that cause hair loss.
72 citations,
October 2009 in “The FASEB journal” TRH stimulates human hair growth and extends the hair growth phase.
22 citations,
February 2017 in “Clinical and Experimental Dermatology” Icariin helps mouse hair grow by boosting a growth factor in skin cells.
16 citations,
October 2018 in “Biochemical and Biophysical Research Communications” Sildenafil, often used for erectile dysfunction, may help hair growth.
3 citations,
March 2015 in “Biomolecules & Therapeutics” Phospholipids from pig lungs can significantly promote hair growth.
194 citations,
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.
1 citations,
October 2013 in “The Journal of Dermatology” Hair loss in a drug reaction case involved both a common shedding phase and an immune attack on hair follicle stem cells.
4 citations,
January 2019 in “PubMed” Patterned hair loss in women is linked to hormonal imbalances and biochemical changes, and should be evaluated for underlying health issues.
6 citations,
January 2021 in “Annals of Dermatology” 650 nm red light helps hair grow and prevents hair loss by affecting certain genes and biological processes.
April 2021 in “Indian pediatrics case reports” A child's hair loss after Kawasaki disease may help understand the disease's autoimmune causes.
31 citations,
November 2016 in “Cell Reports” Touch sensitivity in mouse skin decreases during hair growth due to changes in touch receptors.
10 citations,
June 2005 in “Small ruminant research” Melatonin treatment may increase cashmere production in Spanish goats.
April 2019 in “Radiotherapy and oncology” HPV infection is linked to better survival in advanced anal cancer, higher radiation doses improve survival, especially in HPV-negative patients, and prostaglandin E₂ pretreatment can protect mouse hair follicles from radiation damage.
31 citations,
September 2013 in “Stem Cells” Smad1 and Smad5 are essential for hair follicle development and stem cell sleepiness.
128 citations,
March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
91 citations,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
6 citations,
November 2013 in “International Journal of Radiation Biology” Gamma-rays exposure during the resting phase of hair growth can damage hair regeneration and color in mice.
11 citations,
April 2013 in “Journal of Proteomics” Found different proteins in balding and non-balding cells, giving insight into hair loss causes.
499 citations,
September 2011 in “Cell” Fat-related cells are important for initiating hair growth.