52 citations
,
September 2018 in “International Journal of Molecular Sciences” Ginseng and its compounds may help hair growth and prevent hair loss, but more human trials are needed to confirm this.
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.
20 citations
,
January 2021 in “Plants” High energy boosts root hair growth in plants, while low energy stops it.
18 citations
,
February 2012 in “Experimental Dermatology” No link found between specific genes and female pattern hair loss.
12 citations
,
July 2021 in “Scientific Reports” Glutamic acid helps increase hair growth in mice.
8 citations
,
January 2016 in “Evidence-based Complementary and Alternative Medicine” Rumex japonicus extract may promote hair growth more effectively than Minoxidil.
5 citations
,
September 2016 in “Journal of Cosmetic Dermatology” Nourkrin® with Marilex® may increase hair count by 35.7% in postpartum hair loss.
1 citations
,
January 2015 in “Journal of clinical and investigative dermatology” IGF-1 from human placenta helps hair grow.
Wildebeest stress and hormone levels are influenced by food availability, human presence, and reproductive cycles.
June 2015 in “Vestnik dermatologii i venerologii” Growth factors influence hair growth and hair loss.
Avicennia marina extract and avicequinone C can potentially promote hair growth and treat hair loss by interfering with hair loss mechanisms and boosting growth factors.
23 citations
,
January 2016 in “Transgender health” Hormone therapy with estradiol and spironolactone can regrow scalp hair in transgender women by lowering testosterone to female levels.
20 citations
,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
9 citations
,
September 2018 in “Journal of Photochemistry and Photobiology B-biology” A hair-growth formula with cystine and thiamin helps protect skin cells against UV damage and improves their growth.
3 citations
,
August 2020 in “International Journal of Molecular Sciences” Blocking Rab27a slows hair growth, while blocking Rab27b encourages it.
Biotin boosts wool growth and follicle health in sheep.
September 1997 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” The document concludes that treatments like oral anti-androgens, minoxidil, and topical spironolactone can be effective for hair loss in men and women.
9 citations
,
April 2019 in “International journal of molecular sciences” Human hair grows better in a special gel that mimics skin.
January 2026 in “International Journal of Applied Pharmaceutics” A 10% MSC secretome hair tonic best promotes hair growth in alopecia.
16 citations
,
October 2019 in “Biological & Pharmaceutical Bulletin” Houttuynia cordata extract may help hair grow by improving cell survival and increasing cell growth.
3 citations
,
April 2015 in “American journal of biomedical sciences” Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.
30 citations
,
September 2003 in “Experimental Dermatology” Minoxidil helps prevent stress-caused hair loss in mice.
9 citations
,
March 2019 in “Scientific reports” Temporary ROS production in cultured human hair follicles promotes growth and stem cell activation.
108 citations
,
July 2004 in “American Journal of Pathology” Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.
92 citations
,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
37 citations
,
January 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Apple extract called procyanidin B-2 was found to greatly increase hair growth.
20 citations
,
June 2014 in “BMC genomics” Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.
19 citations
,
May 2020 in “Cells” Substance from human umbilical cord blood cells promotes hair growth.
17 citations
,
August 2007 in “Bioorganic & Medicinal Chemistry Letters” A compound made by Pfizer can potentially stimulate hair growth and reduce oil production, making it a good candidate for topical use.
14 citations
,
August 2007 in “Bioorganic & Medicinal Chemistry Letters” The compound (1R,2S)-4-(2-Cyano-cyclohexyl-oxy)-2-trifluoromethyl-benzonitrile can stimulate hair growth and reduce oil production when applied topically.