March 1996 in “Proceedings of the British Society of Animal Science” Increasing dietary zinc improves dogs' hair growth and coat condition.
16 citations
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October 2019 in “Biological & Pharmaceutical Bulletin” Houttuynia cordata extract may help hair grow by improving cell survival and increasing cell growth.
13 citations
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January 2016 in “Annals of Dermatology” Stress can slow hair growth by affecting certain cells and pathways.
January 2025 in “Cosmetics” Astragalus sinicus extracts may help promote hair growth and treat hair loss.
February 2026 in “International Journal of Cosmetic Science” The Mito-Activator Complex boosts hair growth by activating mitochondria.
January 2024 in “Journal of the Endocrine Society” The research found that measuring androgens in urine can give extra information about body metabolism and is linked to androgen levels in the blood, especially in young girls.
May 2006 in “Women's Health Medicine” Excessive hair growth in women, often from high androgen levels, is usually caused by PCOS, and can be treated with hair removal, medication, and possibly weight loss.
People with early onset hair loss (Androgenetic Alopecia) in Ile-Ife, Nigeria, have significantly lower iron levels compared to those with adult-onset hair loss.
20 citations
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February 2018 in “Cell transplantation” Cinnamomum osmophloeum leaf extract may help treat hair loss by promoting hair growth and increasing hair cell proliferation.
3 citations
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September 2021 in “Journal of Food Science and Nutrition” Red Ginseng Extract helps hair grow and improves skin health by stimulating cell growth and enhancing the body's antioxidant defense system.
January 2012 in “Human health handbooks” Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for use.
November 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Nitrate can boost hair growth by activating certain pathways and reducing others.
2 citations
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December 2018 in “KSBB Journal” Amla extract helps hair grow and could prevent hair loss.
228 citations
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January 1997 in “Birkhäuser Basel eBooks” Keratin proteins and their genes are crucial for hair growth and structure.
1 citations
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March 2023 in “International Journal of Trichology” Platelet-rich plasma didn't increase hair length but may help keep hair follicles alive.
April 2010 in “The Journal of Urology” Human prostate cells produce more WISP1/CCN4 when there's not enough oxygen.
38 citations
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March 1997 in “Journal of interferon & cytokine research” IL-1β inhibits human hair follicle growth.
30 citations
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October 2014 in “Experimental Dermatology” Leptin from skin fat can slow hair growth during certain phases.
Lactobacillus and fermented Korean berry can help hair grow faster.
2 citations
,
July 2021 in “Journal of Cardiovascular Pharmacology” Lisinopril improves heart health more in men with normal hair than those with early hair loss.
August 2025 in “International Journal of Scientific Research in Biological Sciences” The study conducted at the Fertility Center in AL-Sadder Medical City in Najaf Province, Iraq, involved 100 women, with 50 diagnosed with polycystic ovarian syndrome (PCOS) and 50 healthy controls. It found that women with PCOS had significantly higher levels of DHEA, IL-6, and TNF-α compared to healthy individuals. These elevated levels are associated with symptoms such as acne, irregular menstruation, and excessive hair growth, indicating a hormonal imbalance. The findings suggest a strong correlation between PCOS and increased levels of these markers, highlighting their potential role in managing the condition.
7 citations
,
August 2012 in “The Journal of Urology” Women with congenital adrenal hyperplasia showed no prostatic growth.
13 citations
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June 2020 in “International Journal of Molecular Sciences” HNG helps hair grow by keeping hair in the growth phase longer.
March 2026 in “Biomolecules” MicroRNAs play a key role in controlling hair growth and quality in sheep and goats.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Androgenetic alopecia is common hair loss caused by genetics and hormones, with treatments to slow it but no cure.
November 2022 in “The Journal of Clinical Endocrinology and Metabolism” Postmenopausal hyperandrogenism, a condition with symptoms like increased hair growth and acne, is usually caused by PCOS but can also be due to other factors. It's diagnosed by checking testosterone levels and treated either by removing the adrenal tumor or through antiandrogen therapy.
32 citations
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April 1994 in “Journal of the American Academy of Dermatology” High androgen levels and genetic factors likely cause Becker's nevus and related symptoms.
January 2024 in “Animals” SP1 promotes and KROX20 inhibits hair cell growth by affecting the CUX1 gene.
6 citations
,
January 2019 in “F1000Research” High triglyceride levels are a key factor affecting testosterone levels in women with PCOS.
24 citations
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July 2018 in “Stem cells” Runx1 controls fat-related genes important for normal and cancer cell growth, affecting skin and hair cell behavior.