February 2004 in “The New England Journal of Medicine” The book is a comprehensive resource on hair disorders, but lacks information on some conditions.
August 1994 in “Drugs & Therapy Perspectives” Some drugs can cause hair loss or growth, but hair usually returns to normal after stopping the drug.
Using 5% minoxidil foam twice daily can help regrow hair, especially in younger men aged 20-30.
40 citations
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January 2016 in “PLoS ONE” Shorter daylight increases hair growth in Cashmere goats.
35 citations
,
November 2019 in “Scientific Reports” Shikimic acid promotes hair growth.
27 citations
,
August 2018 in “Frontiers in Plant Science” High levels of auxin increase root hair growth by activating RSL2 and producing ROS, while high phosphate levels hinder growth by repressing RSL2.
26 citations
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January 2016 in “Annals of Dermatology” Ecklonia cava polyphenols help increase human hair growth and reduce hair loss.
5 citations
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September 2018 in “Bioscience, Biotechnology, and Biochemistry” Thiosulfate may help hair grow faster in mice and works well with a common hair growth treatment.
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” A gene network led by RSL4 is crucial for early root hair growth in response to cold in Arabidopsis thaliana.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Chitosan slows root hair growth and causes a buildup of callose at low concentrations, but at high concentrations, it only inhibits growth without callose buildup.
January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Auxin helps root hairs grow in high phosphate by affecting ROS and involving RSL2 and RSL4.
January 2017 in “Korean Journal of Pharmacognosy” Modified red ginseng extract promotes hair growth and has antioxidant and anti-inflammatory effects.
157 citations
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April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
82 citations
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September 2018 in “Nature Communications” A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.
76 citations
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April 2013 in “PLoS ONE” Chronic stress can cause hair loss by increasing oxidative stress, but antioxidants may help.
49 citations
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November 2014 in “Journal of Medicinal Food” Red Ginseng Extract may help human hair grow by activating growth pathways and blocking negative effects of certain hormones.
14 citations
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June 2018 in “Frontiers in pharmacology” Green tea compound EGCG helps mink hair follicles grow by affecting certain cell growth pathways.
10 citations
,
May 2012 in “PloS one” Low ERCC3 gene activity is linked to non-pigmented hair growth.
9 citations
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June 2021 in “Nutrients” Fisetin in fruits and vegetables helps hair growth in mice.
9 citations
,
April 2019 in “International Journal of Molecular Sciences” Kojyl cinnamate ester derivatives can promote hair growth by increasing adiponectin production in fat tissues.
8 citations
,
August 2018 in “Drug testing and analysis” EtG levels in hair decrease significantly after one month of alcohol abstinence.
3 citations
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April 2015 in “American journal of biomedical sciences” Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.
2 citations
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June 2021 in “Notulae Botanicae Horti Agrobotanici Cluj-Napoca” More research is needed to understand how nutrients affect root hair growth.
1 citations
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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.
March 2026 in “Frontiers in Pharmacology” New treatments for hair loss show promise but need more testing for effectiveness and safety.
March 2026 in “Scientific Reports” Ferulic acid may help hair grow by activating certain receptors in cells.
Rosemary is as effective as minoxidil for hair growth with fewer side effects.
November 2025 in “Discover Pharmaceutical Sciences” The essential oils nanoemulsion promotes hair growth better than 2% minoxidil in mice.
April 2024 in “Cognizance journal” The alexandrite laser effectively reduces unwanted hair by about 75%.
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.